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प्र: Which value is equal to 5% of 1,500? 1985 0

उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.

प्र: If 25a + 25b = 115, then what is the average of a and b? 1985 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1983 0

उत्तर : 4. "8 hrs 34 min"
व्याख्या :
Answer: D) 8 hrs 34 min Explanation: Number of pages typed by Adam in 1 hour = 36/6 = 6 Number of pages typed by Smith in 1 hour = 40/5 = 8Number of pages typed by both in 1 hour = (6 + 8) = 14Time taken by both to type 110 pages = (120 * 1/14) = 847 = 8 hrs 34 min.

प्र: Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ? 1982 0

उत्तर : 2. "9 3/4% stock at 117"
व्याख्या :
Answer: B) 9 3/4% stock at 117 Explanation: Let investment in each case be Rs. (143 x 117). Income in 1st case = Rs.11143 x 143 x 117 = Rs. 1287.Income in 2nd case = Rs.394×117 x 143 x 117= Rs. 1394.25 Clearly, 9 3/4% stock at 117 is better.

प्र: In a mixture of three varities of oils , the ratio of their weight is 4 : 5 : 8. If 5 kg of oils of the first variety, 10 kg of the second variety and some quantity of oils of the third variety are added to the mixture, the ratio of the weights of three varieties of oils becomes as 5 : 7 : 9 in the final mixture, find the quantity of third variety of oil was ? 1978 0

उत्तर : 4. "45 kg"
व्याख्या :
Answer: D) 45 kg Explanation: Let the ratio of initial quantity of oils be 'x' => 4x, 5x & 8x.Let k be the quantity of third variety of oil in the final mixture.Let the ratio of initial quantity of oils be 'y'From given details,4x + 5 = 5y ..... (1)5x + 10 = 7y .....(2)8x + k = 9y ......(3) By solving (1) & (2), we getx = 5 & y = 5 From (3) => k = 5 Therefore, quantity of third variety of oil was 9y = 9(5) = 45kg.

प्र: Find value of log27 +log 8 +log1000log 120 1977 1

उत्तर : 2. "3/2"
व्याख्या :
Answer: B) 3/2 Explanation: = log 33 + log 23+ log 103log10×3×22 =log33 12+log 23+log 10312log(10×3×22) =12log 33+3 log 2+12 log103log10+log3+log22 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1972 0

उत्तर : 1. "79"
व्याख्या :
Answer: A) 79 Explanation: Assuming Sripad has scored the least marks in subject other than science,Then the marks he could secure in other two are 58 each.Since the average mark of all the 3 subject is 65.i.e (58+58+x)/3 = 65116 + x = 195x = 79 marks. Therefore, the maximum marks he can score in maths is 79.

प्र: A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of the room leaving 1.5 feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per squire feet? 1972 0

प्र: Which value is equal to 5% of 1,500? 1985 0

उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.

प्र: If 25a + 25b = 115, then what is the average of a and b? 1985 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1983 0

प्र: Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ? 1982 0

प्र: Find value of log27 +log 8 +log1000log 120 1977 1

उत्तर : 2. "3/2"
व्याख्या :
Answer: B) 3/2 Explanation: = log 33 + log 23+ log 103log10×3×22 =log33 12+log 23+log 10312log(10×3×22) =12log 33+3 log 2+12 log103log10+log3+log22 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1972 0

प्र: A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of the room leaving 1.5 feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per squire feet? 1972 0

उत्तर : 1. "378"
व्याख्या :
Answer: A) 378 Explanation:

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

त्रुटि की रिपोर्ट करें

प्र: Which value is equal to 5% of 1,500? 1985 05b5cc666e4d2b4197774bee9

उत्तर : 3. "75" व्याख्या :Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.

प्र: If 25a + 25b = 115, then what is the average of a and b? 1985 05b5cc7c7e4d2b41977750daf

उत्तर : 4. "None of these" व्याख्या :Answer: D) None of these Explanation:

प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1983 05b5cc76fe4d2b4197774ff58

प्र: Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ? 1982 05b5cc71be4d2b4197774f53f

प्र: Find value of log27 +log 8 +log1000log 120 1977 15b5cc7d0e4d2b4197775120e

उत्तर : 2. "3/2" व्याख्या :Answer: B) 3/2 Explanation: = log 33 + log 23+ log 103log10×3×22 =log33 12+log 23+log 10312log(10×3×22) =12log 33+3 log 2+12 log103log10+log3+log22 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1972 05b5cc74fe4d2b4197774fb21

प्र: A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of the room leaving 1.5 feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per squire feet? 1972 05b5cc6b7e4d2b4197774d63d

उत्तर : 1. "378" व्याख्या :Answer: A) 378 Explanation:

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

त्रुटि की रिपोर्ट करें

प्र: Which value is equal to 5% of 1,500? 1985 0

उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.

प्र: If 25a + 25b = 115, then what is the average of a and b? 1985 0

उत्तर : 4. "None of these"
व्याख्या :
Answer: D) None of these Explanation:

प्र: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1983 0

प्र: Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ? 1982 0

प्र: Find value of log27 +log 8 +log1000log 120 1977 1

उत्तर : 2. "3/2"
व्याख्या :
Answer: B) 3/2 Explanation: = log 33 + log 23+ log 103log10×3×22 =log33 12+log 23+log 10312log(10×3×22) =12log 33+3 log 2+12 log103log10+log3+log22 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32

प्र: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1972 0

प्र: A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of the room leaving 1.5 feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per squire feet? 1972 0

उत्तर : 1. "378"
व्याख्या :
Answer: A) 378 Explanation: