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प्र: The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city? 3151 0

उत्तर : 2. "3,67,500"
व्याख्या :
Answer: B) 3,67,500 Explanation: Let the total population be 'p' Given ratio of male and female in a city is 7 : 8 In that percentage of children among male and female is 25% and 20% => Adults male and female % = 75% & 80% But given adult females is = 156800 => 80%(8p/15) = 156800 => 80 x 8p/15 x 100 = 156800 => p = 156800 x 15 x 100/80 x 8 => p = 367500 Therefore, the total population of the city = p = 367500

प्र: What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ? 1222 0

उत्तर : 3. "132"
व्याख्या :
Answer: C) 132 Explanation: Given series is 12 16 32 68 ? Here it follows a pattern that, 12 12 + (2x2) = 16 16 + (4x4) = 32 32 + (6x6) = 68 68 + (8x8) = 132

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1599 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: What should come in place of x in the following equation? x128 = 162x 1504 0

उत्तर : 2. "12"
व्याख्या :
Answer: B) 12 Explanation: x128 = 162x Then x2 = 162x128 = Sqrt of 82 x 62 x 32 = 8 x 6 x 3 x2 = 144. x = 12.

प्र: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3742 0

उत्तर : 3. "7556"
व्याख्या :
Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556

प्र: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2882 0

उत्तर : 4. "15 × 13 × 13!"
व्याख्या :
Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!

प्र: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2170 0

उत्तर : 2. "3.5 years"
व्याख्या :
Answer: B) 3.5 years Explanation: Given that Rs. 1860 will become Rs. 2641.20 at 12% => Simple Interest = 2641.20 - 1860 = Rs. 781.20 We know I = PTR/100 => 781.20 x 100 = 1860 x T x 12 => T = 78120/1860x12 => T = 78120/22320 => T = 3.5 years.

प्र: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 1569 0

प्र: The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city? 3151 0

प्र: What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ? 1222 0

उत्तर : 3. "132"
व्याख्या :
Answer: C) 132 Explanation: Given series is 12 16 32 68 ? Here it follows a pattern that, 12 12 + (2x2) = 16 16 + (4x4) = 32 32 + (6x6) = 68 68 + (8x8) = 132

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1599 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: What should come in place of x in the following equation? x128 = 162x 1504 0

उत्तर : 2. "12"
व्याख्या :
Answer: B) 12 Explanation: x128 = 162x Then x2 = 162x128 = Sqrt of 82 x 62 x 32 = 8 x 6 x 3 x2 = 144. x = 12.

प्र: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3742 0

उत्तर : 3. "7556"
व्याख्या :
Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556

प्र: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2882 0

उत्तर : 4. "15 × 13 × 13!"
व्याख्या :
Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!

प्र: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2170 0

प्र: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 1569 0

उत्तर : 1. "60 lit"
व्याख्या :
Answer: A) 60 lit 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: The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city? 3151 05b5cc6bee4d2b4197774d9c9

प्र: What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ? 1222 05b5cc6bee4d2b4197774d9c4

उत्तर : 3. "132" व्याख्या :Answer: C) 132 Explanation: Given series is 12 16 32 68 ? Here it follows a pattern that, 12 12 + (2x2) = 16 16 + (4x4) = 32 32 + (6x6) = 68 68 + (8x8) = 132

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1599 05b5cc6bee4d2b4197774d9b5

उत्तर : 1. "7:1" व्याख्या :Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: What should come in place of x in the following equation? x128 = 162x 1504 05b5cc6bee4d2b4197774d9ab

उत्तर : 2. "12" व्याख्या :Answer: B) 12 Explanation: x128 = 162x Then x2 = 162x128 = Sqrt of 82 x 62 x 32 = 8 x 6 x 3 x2 = 144. x = 12.

प्र: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3742 05b5cc6bee4d2b4197774d992

उत्तर : 3. "7556" व्याख्या :Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556

प्र: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2882 05b5cc6bee4d2b4197774d997

उत्तर : 4. "15 × 13 × 13!" व्याख्या :Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!

प्र: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2170 05b5cc6bee4d2b4197774d988

प्र: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 1569 05b5cc6bee4d2b4197774d98d

उत्तर : 1. "60 lit" व्याख्या :Answer: A) 60 lit 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: The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city? 3151 0

प्र: What value will come in place of question mark (?) in following number series? 12, 16, 32, 68, ? 1222 0

उत्तर : 3. "132"
व्याख्या :
Answer: C) 132 Explanation: Given series is 12 16 32 68 ? Here it follows a pattern that, 12 12 + (2x2) = 16 16 + (4x4) = 32 32 + (6x6) = 68 68 + (8x8) = 132

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1599 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: What should come in place of x in the following equation? x128 = 162x 1504 0

उत्तर : 2. "12"
व्याख्या :
Answer: B) 12 Explanation: x128 = 162x Then x2 = 162x128 = Sqrt of 82 x 62 x 32 = 8 x 6 x 3 x2 = 144. x = 12.

प्र: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3742 0

उत्तर : 3. "7556"
व्याख्या :
Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556

प्र: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2882 0

उत्तर : 4. "15 × 13 × 13!"
व्याख्या :
Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!

प्र: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2170 0

प्र: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 1569 0

उत्तर : 1. "60 lit"
व्याख्या :
Answer: A) 60 lit Explanation: