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प्र: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1710 0

उत्तर : 2. "37.33 sec"
व्याख्या :
Answer: B) 37.33 sec Explanation: Speed = 108 km/hrenter a tunnel,, means that the train covers a distance equal to its own lengthso (108 x 5/18) = x/4 where x= length of trainhence x = 120 mtrsto pass completely train has to travel a distance = (x + tunnel length) that is 1120 mtrs.so (1120/t) = (108x5/18)t = 37.33 sec

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1709 0

उत्तर : 1. "Rs. 2000"
व्याख्या :
Answer: A) Rs. 2000 Explanation: Let 'x' be the cost price.Now Marked price = x + 30x/100 = 13x/1010% discount = 10/100 x 13x/10 = 13x/100 Selling price = 13x/10 - 13x/100 = 117x/100Given gain = 340Here gain = 117x/100 - x = 17x/100 = 340 => x = Rs. 2000.

प्र: K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ? 1709 0

उत्तर : 2. "6 days"
व्याख्या :
Answer: B) 6 days Explanation: L's 10 days work = 115×10=23 Remaining work = 1-23=13 Now, work is done by K in one day = 1/18 1/3 work is done by K in 18×13 = 6 days

प्र: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1709 0

उत्तर : 1. "450.187"
व्याख्या :
Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

प्र: Ramesh spent Rs. 38460 on the renovation of his home, Rs. 24468 on buying furniture and remaining 28% of the total amount he had as cash with him. What was the total amount ? 1706 0

उत्तर : 1. "87400"
व्याख्या :
Answer: A) 87400 Explanation: Let X be the total amount with Ramesh Given 28% of X = Cash remaining => Amount spent = 72% of X = 38460 + 24468 = 62928 => 72% of X = 62928 => X = ? => X = 87400

प्र: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1706 0

उत्तर : 2. "Rs. 6540"
व्याख्या :
Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs C.I = P1+201002-1 5984 = => P = (5995x25)/11 P = Rs. 13625 Now S.I = PTR/100 SI = (13625 x 8 x 6)/100 = Rs. 6540

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1705 0

उत्तर : 1. "50 days"
व्याख्या :
Answer: A) 50 days Explanation: 50 men can build a tank in 40 days Assume 1 man does 1 unit of work in 1 day Then the total work is 50×40 = 2000 units 50 men work in the first 10 days and completes 50×10 = 500 units of work 45 men work in the next 10 days and completes 45×10 = 450 units of work 40 men work in the next 10 days and completes 40×10 = 400 units of work 35 men work in the next 10 days and completes 35×10 = 350 units of work So far 500 + 450 + 400 + 350 = 1700 units of work is completed and Remaining work is 2000 - 1700 = 300 units 30 men work in the next 10 days. In each day, they does 30 units of work. Therefore, additional days required = 300/30 =10 Thus, total 10+10+10+10+10 = 50 days required.

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1705 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

प्र: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1710 0

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1709 0

प्र: K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ? 1709 0

उत्तर : 2. "6 days"
व्याख्या :
Answer: B) 6 days Explanation: L's 10 days work = 115×10=23 Remaining work = 1-23=13 Now, work is done by K in one day = 1/18 1/3 work is done by K in 18×13 = 6 days

प्र: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1709 0

उत्तर : 1. "450.187"
व्याख्या :
Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

प्र: Ramesh spent Rs. 38460 on the renovation of his home, Rs. 24468 on buying furniture and remaining 28% of the total amount he had as cash with him. What was the total amount ? 1706 0

उत्तर : 1. "87400"
व्याख्या :
Answer: A) 87400 Explanation: Let X be the total amount with Ramesh Given 28% of X = Cash remaining => Amount spent = 72% of X = 38460 + 24468 = 62928 => 72% of X = 62928 => X = ? => X = 87400

प्र: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1706 0

उत्तर : 2. "Rs. 6540"
व्याख्या :
Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs C.I = P1+201002-1 5984 = => P = (5995x25)/11 P = Rs. 13625 Now S.I = PTR/100 SI = (13625 x 8 x 6)/100 = Rs. 6540

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1705 0

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1705 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

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प्र: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1710 05b5cc73ae4d2b4197774f8ec

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1709 05b5cc6e0e4d2b4197774eb9d

प्र: K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ? 1709 05b5cc774e4d2b4197775002f

उत्तर : 2. "6 days" व्याख्या :Answer: B) 6 days Explanation: L's 10 days work = 115×10=23 Remaining work = 1-23=13 Now, work is done by K in one day = 1/18 1/3 work is done by K in 18×13 = 6 days

प्र: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1709 05b5cc6bae4d2b4197774d7a8

उत्तर : 1. "450.187" व्याख्या :Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

प्र: Ramesh spent Rs. 38460 on the renovation of his home, Rs. 24468 on buying furniture and remaining 28% of the total amount he had as cash with him. What was the total amount ? 1706 05b5cc6c0e4d2b4197774db00

उत्तर : 1. "87400" व्याख्या :Answer: A) 87400 Explanation: Let X be the total amount with Ramesh Given 28% of X = Cash remaining => Amount spent = 72% of X = 38460 + 24468 = 62928 => 72% of X = 62928 => X = ? => X = 87400

प्र: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1706 05b5cc6cae4d2b4197774e0a9

उत्तर : 2. "Rs. 6540" व्याख्या :Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs C.I = P1+201002-1 5984 = => P = (5995x25)/11 P = Rs. 13625 Now S.I = PTR/100 SI = (13625 x 8 x 6)/100 = Rs. 6540

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1705 05b5cc76fe4d2b4197774ff71

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1705 05b5cc6b6e4d2b4197774d59e

उत्तर : 3. "33.33%" व्याख्या :Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

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त्रुटि की रिपोर्ट करें

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त्रुटि की रिपोर्ट करें

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प्र: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1710 0

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1709 0

प्र: K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ? 1709 0

उत्तर : 2. "6 days"
व्याख्या :
Answer: B) 6 days Explanation: L's 10 days work = 115×10=23 Remaining work = 1-23=13 Now, work is done by K in one day = 1/18 1/3 work is done by K in 18×13 = 6 days

प्र: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1709 0

उत्तर : 1. "450.187"
व्याख्या :
Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

प्र: Ramesh spent Rs. 38460 on the renovation of his home, Rs. 24468 on buying furniture and remaining 28% of the total amount he had as cash with him. What was the total amount ? 1706 0

उत्तर : 1. "87400"
व्याख्या :
Answer: A) 87400 Explanation: Let X be the total amount with Ramesh Given 28% of X = Cash remaining => Amount spent = 72% of X = 38460 + 24468 = 62928 => 72% of X = 62928 => X = ? => X = 87400

प्र: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1706 0

उत्तर : 2. "Rs. 6540"
व्याख्या :
Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs C.I = P1+201002-1 5984 = => P = (5995x25)/11 P = Rs. 13625 Now S.I = PTR/100 SI = (13625 x 8 x 6)/100 = Rs. 6540

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1705 0

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1705 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%