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प्र: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 3007 0

उत्तर : 1. "4400"
व्याख्या :
Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.

प्र: A number increased by 30% gives 390. The number is 3003 0

उत्तर : 2. "300"
व्याख्या :
Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

प्र: A user type a content on 20 sheets, each sheet consist of 55 lines, and each line can have 66 characters. The content is again retyped on another set of sheets, these new sheets have 65 lines and each line can take 70 characters. Calculate the reduction in sheets ? 3001 0

उत्तर : 2. "4 or 20%"
व्याख्या :
Answer: B) 4 or 20% Explanation: 20 x 55 x 66 = L x 65 x 70Here L = 72,600/4550 = 15.95 =~ 16Reduction is 20-16 = 4 which is 20% reduction.

प्र: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 2998 0

उत्तर : 2. "29.63 litres"
व्याख्या :
Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk. After replacing 8 litres of milk with water for three times, milk contained in the container is: ⇒501-8503 ⇒50×4250×4250×4250 = 29.63 litres.

प्र: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2998 0

उत्तर : 4. "2679"
व्याख्या :
Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

प्र: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even ? 2996 0

उत्तर : 2. "720"
व्याख्या :
Answer: B) 720 Explanation: Let last digit is 2when second last digit is 4 remaining 4 digits can be filled in 120 ways, similarly second last digit is 6 remained 4 digits can be filled in 120 ways.so for last digit = 2, total numbers=240 Similarly for 4 and 6When last digit = 4, total no. of ways =240and last digit = 6, total no. of ways =240so total of 720 even numbers are possible.

प्र: Two motor bikes cover the same distance at the speed of 60 and 64 kmps respectively. Find the distance traveled by them if the slower bike takes 1 hour more than the faster bike ? 2995 0

उत्तर : 3. "960 km"
व्याख्या :
Answer: C) 960 km Explanation: 60(x + 1) = 64x X = 15 60 x 16 = 960 km

प्र: Find the missing number in the series 1, 6, ?, 15, 45, 66, 91 2983 1

उत्तर : 2. "28"
व्याख्या :
Answer: B) 28 Explanation: Here the given series 1, 6, ?, 15, 45, 66, 91 follows a Pattern in the series is, +5, +9, +13,...,.. +21, +25 So +4 is getting increased at every term addition. Missing Number in the series will be 15+(9+4) = 15 + 13 = 28.

प्र: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 3007 0

उत्तर : 1. "4400"
व्याख्या :
Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.

प्र: A number increased by 30% gives 390. The number is 3003 0

उत्तर : 2. "300"
व्याख्या :
Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

प्र: A user type a content on 20 sheets, each sheet consist of 55 lines, and each line can have 66 characters. The content is again retyped on another set of sheets, these new sheets have 65 lines and each line can take 70 characters. Calculate the reduction in sheets ? 3001 0

उत्तर : 2. "4 or 20%"
व्याख्या :
Answer: B) 4 or 20% Explanation: 20 x 55 x 66 = L x 65 x 70Here L = 72,600/4550 = 15.95 =~ 16Reduction is 20-16 = 4 which is 20% reduction.

प्र: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 2998 0

उत्तर : 2. "29.63 litres"
व्याख्या :
Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk. After replacing 8 litres of milk with water for three times, milk contained in the container is: ⇒501-8503 ⇒50×4250×4250×4250 = 29.63 litres.

प्र: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2998 0

उत्तर : 4. "2679"
व्याख्या :
Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

प्र: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even ? 2996 0

प्र: Two motor bikes cover the same distance at the speed of 60 and 64 kmps respectively. Find the distance traveled by them if the slower bike takes 1 hour more than the faster bike ? 2995 0

उत्तर : 3. "960 km"
व्याख्या :
Answer: C) 960 km Explanation: 60(x + 1) = 64x X = 15 60 x 16 = 960 km

प्र: Find the missing number in the series 1, 6, ?, 15, 45, 66, 91 2983 1

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प्र: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 3007 05b5cc6e0e4d2b4197774eb5c

उत्तर : 1. "4400" व्याख्या :Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.

प्र: A number increased by 30% gives 390. The number is 3003 05b5cc6dde4d2b4197774ea1e

उत्तर : 2. "300" व्याख्या :Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

उत्तर : 2. "4 or 20%" व्याख्या :Answer: B) 4 or 20% Explanation: 20 x 55 x 66 = L x 65 x 70Here L = 72,600/4550 = 15.95 =~ 16Reduction is 20-16 = 4 which is 20% reduction.

प्र: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 2998 05b5cc77fe4d2b419777501ce

उत्तर : 2. "29.63 litres" व्याख्या :Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk. After replacing 8 litres of milk with water for three times, milk contained in the container is: ⇒501-8503 ⇒50×4250×4250×4250 = 29.63 litres.

प्र: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2998 05b5cc6b9e4d2b4197774d711

उत्तर : 4. "2679" व्याख्या :Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

प्र: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even ? 2996 05b5cc731e4d2b4197774f7bf

प्र: Two motor bikes cover the same distance at the speed of 60 and 64 kmps respectively. Find the distance traveled by them if the slower bike takes 1 hour more than the faster bike ? 2995 05b5cc6dce4d2b4197774e992

उत्तर : 3. "960 km" व्याख्या :Answer: C) 960 km Explanation: 60(x + 1) = 64x X = 15 60 x 16 = 960 km

प्र: Find the missing number in the series 1, 6, ?, 15, 45, 66, 91 2983 15b5cc6afe4d2b4197774d230

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त्रुटि की रिपोर्ट करें

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

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प्र: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 3007 0

उत्तर : 1. "4400"
व्याख्या :
Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.

प्र: A number increased by 30% gives 390. The number is 3003 0

उत्तर : 2. "300"
व्याख्या :
Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

उत्तर : 2. "4 or 20%"
व्याख्या :
Answer: B) 4 or 20% Explanation: 20 x 55 x 66 = L x 65 x 70Here L = 72,600/4550 = 15.95 =~ 16Reduction is 20-16 = 4 which is 20% reduction.

प्र: A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ? 2998 0

उत्तर : 2. "29.63 litres"
व्याख्या :
Answer: B) 29.63 litres Explanation: Given that container has 50 litres of milk. After replacing 8 litres of milk with water for three times, milk contained in the container is: ⇒501-8503 ⇒50×4250×4250×4250 = 29.63 litres.

प्र: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2998 0

उत्तर : 4. "2679"
व्याख्या :
Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

प्र: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even ? 2996 0

प्र: Two motor bikes cover the same distance at the speed of 60 and 64 kmps respectively. Find the distance traveled by them if the slower bike takes 1 hour more than the faster bike ? 2995 0

उत्तर : 3. "960 km"
व्याख्या :
Answer: C) 960 km Explanation: 60(x + 1) = 64x X = 15 60 x 16 = 960 km

प्र: Find the missing number in the series 1, 6, ?, 15, 45, 66, 91 2983 1