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प्र: The average of a non-zero number and its square is 11 times the number. The number is ? 2033 0

उत्तर : 1. "22"
व्याख्या :
Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.

प्र: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4990 0

उत्तर : 2. "14 lts"
व्याख्या :
Answer: B) 14 lts Explanation: To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number. 98,182,266 all are divisible by 14 So 14 litres is the largest cylinder that can fill all the given cylinders. (or) The other method is take HCF of all given capacities i.e 98, 182 and 266.

प्र: In a scheme, a pack of three soaps with MRP Rs.45 is available for Rs.42. If it still gives a profit of 5% to the shopkeeper, then the cost price of the pack is ? 5074 0

उत्तर : 3. "40"
व्याख्या :
Answer: C) 40 Explanation: Given M.P=45,S.P=42, Profit = 0.05 Let C.P=x , Then Profit = (42-x)/x = 0.05=> x = 40.

प्र: One lady has 2 children, one of her child is boy, what is the probability of having both are boys ? 1603 0

उत्तर : 1. "1/3"
व्याख्या :
Answer: A) 1/3 Explanation: In a family with 2 children there are four possibilities:1) the first child is a boy and the second child is a boy (bb)2) the first child is a boy and the second child is a girl (bg)3) the first child is a girl and the second child is a boy (gb)4) the first child is a girl and the second child is a girl (gg) But already given that one child is boy. So we have three possibilities of (bb)(bg)(gb).n(E)= both are boys=BB=1n(S)= 3Required probability P = n(E)/n(S) = 1/3.

प्र: In the following sum, “?” stands for which digit ? 8 + ?8 + 28 + 83 + 8? = 2?8 1743 0

उत्तर : 4. "1"
व्याख्या :
Answer: D) 1 Explanation: By trial and error method from the given options, '1' satisfies the above given equation.

प्र: In how many different ways could couples be picked from 6 men and 9 women ? 1196 0

उत्तर : 2. "54"
व्याख्या :
Answer: B) 54 Explanation: Number of mens = 8 Number of womens = 5 Different ways could couples be picked = C16× 9C1 = 9 x 6 = 54 ways.

प्र: An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ? 11926 0

उत्तर : 3. "22 minutes"
व्याख्या :
Answer: C) 22 minutes Explanation: Let the two conditioners be A and B 'A' cools at 40min 'B' at 45min Together =(axb)/(a+b) = (45x40)/85 = 21.1764 = (approx) 22 min.

प्र: Arun is a cashew merchant in Telangana. He has cashews in sealed wooden boxes of 10kg each. The price of the cashew increases by Rs.20 per kg for every year, but at the same time, 10% of the cashews are eaten by rodents every year. If the price of a 1 kg of fresh cashew is Rs.120, what is the change in his profits if he sells a sealed box after one year of storage, rather than selling it fresh ? (In Rs.) 2091 0

उत्तर : 1. "Rs. 60"
व्याख्या :
Answer: A) Rs. 60 Explanation: Price of 1kg fresh cashew = Rs.120Therefore, price of 10kg = Rs.120 x 10 = Rs.1200 10% of 10kg which eaten by rodents = 10 x 10/100 = 1kg. So, End of Year he had 10kg - 1kg = 9kg So, he sells that 9kg with Rs.20 per kg profit = 9 x 140 = 1260. He buy 10kg wooden box with cashew for Rs.1200 and sell that for Rs. 1260 So, profit = 1260 - 1200 = Rs.60 more money he get.

प्र: The average of a non-zero number and its square is 11 times the number. The number is ? 2033 0

उत्तर : 1. "22"
व्याख्या :
Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.

प्र: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4990 0

प्र: In a scheme, a pack of three soaps with MRP Rs.45 is available for Rs.42. If it still gives a profit of 5% to the shopkeeper, then the cost price of the pack is ? 5074 0

उत्तर : 3. "40"
व्याख्या :
Answer: C) 40 Explanation: Given M.P=45,S.P=42, Profit = 0.05 Let C.P=x , Then Profit = (42-x)/x = 0.05=> x = 40.

प्र: One lady has 2 children, one of her child is boy, what is the probability of having both are boys ? 1603 0

प्र: In the following sum, “?” stands for which digit ? 8 + ?8 + 28 + 83 + 8? = 2?8 1743 0

उत्तर : 4. "1"
व्याख्या :
Answer: D) 1 Explanation: By trial and error method from the given options, '1' satisfies the above given equation.

प्र: In how many different ways could couples be picked from 6 men and 9 women ? 1196 0

उत्तर : 2. "54"
व्याख्या :
Answer: B) 54 Explanation: Number of mens = 8 Number of womens = 5 Different ways could couples be picked = C16× 9C1 = 9 x 6 = 54 ways.

प्र: An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ? 11926 0

उत्तर : 3. "22 minutes"
व्याख्या :
Answer: C) 22 minutes Explanation: Let the two conditioners be A and B 'A' cools at 40min 'B' at 45min Together =(axb)/(a+b) = (45x40)/85 = 21.1764 = (approx) 22 min.

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प्र: The average of a non-zero number and its square is 11 times the number. The number is ? 2033 05b5cc72ce4d2b4197774f741

उत्तर : 1. "22" व्याख्या :Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.

प्र: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4990 05b5cc72ce4d2b4197774f73c

प्र: In a scheme, a pack of three soaps with MRP Rs.45 is available for Rs.42. If it still gives a profit of 5% to the shopkeeper, then the cost price of the pack is ? 5074 05b5cc728e4d2b4197774f737

उत्तर : 3. "40" व्याख्या :Answer: C) 40 Explanation: Given M.P=45,S.P=42, Profit = 0.05 Let C.P=x , Then Profit = (42-x)/x = 0.05=> x = 40.

प्र: One lady has 2 children, one of her child is boy, what is the probability of having both are boys ? 1603 05b5cc728e4d2b4197774f72d

प्र: In the following sum, “?” stands for which digit ? 8 + ?8 + 28 + 83 + 8? = 2?8 1743 05b5cc728e4d2b4197774f732

उत्तर : 4. "1" व्याख्या :Answer: D) 1 Explanation: By trial and error method from the given options, '1' satisfies the above given equation.

प्र: In how many different ways could couples be picked from 6 men and 9 women ? 1196 05b5cc728e4d2b4197774f728

उत्तर : 2. "54" व्याख्या :Answer: B) 54 Explanation: Number of mens = 8 Number of womens = 5 Different ways could couples be picked = C16× 9C1 = 9 x 6 = 54 ways.

प्र: An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ? 11926 05b5cc728e4d2b4197774f723

उत्तर : 3. "22 minutes" व्याख्या :Answer: C) 22 minutes Explanation: Let the two conditioners be A and B 'A' cools at 40min 'B' at 45min Together =(axb)/(a+b) = (45x40)/85 = 21.1764 = (approx) 22 min.

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: The average of a non-zero number and its square is 11 times the number. The number is ? 2033 0

उत्तर : 1. "22"
व्याख्या :
Answer: A) 22 Explanation: Let the number be 'x'. x+x22 = 11x x2= 22x => x = 22.

प्र: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4990 0

प्र: In a scheme, a pack of three soaps with MRP Rs.45 is available for Rs.42. If it still gives a profit of 5% to the shopkeeper, then the cost price of the pack is ? 5074 0

उत्तर : 3. "40"
व्याख्या :
Answer: C) 40 Explanation: Given M.P=45,S.P=42, Profit = 0.05 Let C.P=x , Then Profit = (42-x)/x = 0.05=> x = 40.

प्र: One lady has 2 children, one of her child is boy, what is the probability of having both are boys ? 1603 0

प्र: In the following sum, “?” stands for which digit ? 8 + ?8 + 28 + 83 + 8? = 2?8 1743 0

उत्तर : 4. "1"
व्याख्या :
Answer: D) 1 Explanation: By trial and error method from the given options, '1' satisfies the above given equation.

प्र: In how many different ways could couples be picked from 6 men and 9 women ? 1196 0

उत्तर : 2. "54"
व्याख्या :
Answer: B) 54 Explanation: Number of mens = 8 Number of womens = 5 Different ways could couples be picked = C16× 9C1 = 9 x 6 = 54 ways.

प्र: An air conditioner can coo the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ? 11926 0

उत्तर : 3. "22 minutes"
व्याख्या :
Answer: C) 22 minutes Explanation: Let the two conditioners be A and B 'A' cools at 40min 'B' at 45min Together =(axb)/(a+b) = (45x40)/85 = 21.1764 = (approx) 22 min.