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प्र: If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together? 1565 0

उत्तर : 3. "4 days"
व्याख्या :
Answer: C) 4 days Explanation: From the given data, => (2 M + 3W) 8 = (3M + 2W)7 => 16M + 24W = 21M + 14 W => 10W = 5M => 2W = M => 14W × ? = 7W × 8 ? = 4 days

प्र: Guess the word? 1565 0

उत्तर :
व्याख्या :
SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

प्र: A train travels 325 km in 3.5 hours and 470 km in 4 hours. Find the average speed of train ? 1564 0

उत्तर : 2. "106 kmph"
व्याख्या :
Answer: B) 106 kmph Explanation: As we know that Speed = Distance / Timefor average speed = Total Distance / Total Time TakenThus, Total Distance = 325 + 470 = 795 kmThus, Total Speed = 7.5 hrsAverage Speed = 795/7.5 => 106 kmph.

प्र: Which of the following is a Non Renewable Resource of Energy? 1563 0

उत्तर : 3. "Natural Gas"
व्याख्या :
Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices. It is a resource that will not be naturally replenished.

प्र: Which player has won the Gold Medal at World Badminton Championship 2017 ? 1562 0

उत्तर : 1. "Nozomi Okuhara"
व्याख्या :
Answer: A) Nozomi Okuhara Explanation:

प्र: The average of marks in 3 subjects is 224. The first subject marks is twice the second and the second subject marks is twice the third. Find the second subject marks ? 1562 0

उत्तर : 3. "192"
व्याख्या :
Answer: C) 192 Explanation: Let the third subject marks be 'x'=> Second subject marks = 2x=> Third subject marks = 4xGiven avg = 224x + 2x + 4x = 224 x 3=> 7x = 224 x 3=> x = 96Hence, Second subject marks = 2x = 2 x 96 = 192.

प्र: Former Minister Ashwani Kumar has been awarded as Order of Rising Sun by which country ? 1562 0

उत्तर : 4. "Japan"
व्याख्या :
Answer: D) Japan Explanation:

प्र: Simple interest on a certain sum at 7% per annum for 4 years is Rs. 2415. What will be the compound interest on the same principal at 4% per annum in two years? 1562 0

उत्तर : 1. "Rs. 704"
व्याख्या :
Answer: A) Rs. 704 Explanation: We know that, S.I. = PTR100⇒ P = S.I x 100T x RAnd also,C.I = P1 + R100n- 1 From given data, P = Rs. 8625 Now, C.I = 86251+41002-1= 862526252-1= 8625676625-1= 8625 x 51625C.I = Rs. 703.80

प्र: If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together? 1565 05b5cc6bde4d2b4197774d924

उत्तर : 3. "4 days" व्याख्या :Answer: C) 4 days Explanation: From the given data, => (2 M + 3W) 8 = (3M + 2W)7 => 16M + 24W = 21M + 14 W => 10W = 5M => 2W = M => 14W × ? = 7W × 8 ? = 4 days

प्र: Guess the word? 1565 05b5cc65ee4d2b4197774be2a

उत्तर : व्याख्या :SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

प्र: A train travels 325 km in 3.5 hours and 470 km in 4 hours. Find the average speed of train ? 1564 05b5cc764e4d2b4197774fd99

उत्तर : 2. "106 kmph" व्याख्या :Answer: B) 106 kmph Explanation: As we know that Speed = Distance / Timefor average speed = Total Distance / Total Time TakenThus, Total Distance = 325 + 470 = 795 kmThus, Total Speed = 7.5 hrsAverage Speed = 795/7.5 => 106 kmph.

प्र: Which of the following is a Non Renewable Resource of Energy? 1563 05b5cc6b3e4d2b4197774d450

उत्तर : 3. "Natural Gas" व्याख्या :Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices. It is a resource that will not be naturally replenished.

प्र: Which player has won the Gold Medal at World Badminton Championship 2017 ? 1562 05b5cc6c9e4d2b4197774df79

उत्तर : 1. "Nozomi Okuhara" व्याख्या :Answer: A) Nozomi Okuhara Explanation:

प्र: The average of marks in 3 subjects is 224. The first subject marks is twice the second and the second subject marks is twice the third. Find the second subject marks ? 1562 05b5cc6cce4d2b4197774e17c

उत्तर : 3. "192" व्याख्या :Answer: C) 192 Explanation: Let the third subject marks be 'x'=> Second subject marks = 2x=> Third subject marks = 4xGiven avg = 224x + 2x + 4x = 224 x 3=> 7x = 224 x 3=> x = 96Hence, Second subject marks = 2x = 2 x 96 = 192.

प्र: Former Minister Ashwani Kumar has been awarded as Order of Rising Sun by which country ? 1562 05b5cc6cee4d2b4197774e228

उत्तर : 4. "Japan" व्याख्या :Answer: D) Japan Explanation:

प्र: Simple interest on a certain sum at 7% per annum for 4 years is Rs. 2415. What will be the compound interest on the same principal at 4% per annum in two years? 1562 05b5cc6a7e4d2b4197774ce22

उत्तर : 1. "Rs. 704" व्याख्या :Answer: A) Rs. 704 Explanation: We know that, S.I. = PTR100⇒ P = S.I x 100T x RAnd also,C.I = P1 + R100n- 1 From given data, P = Rs. 8625 Now, C.I = 86251+41002-1= 862526252-1= 8625676625-1= 8625 x 51625C.I = Rs. 703.80

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प्र: If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together? 1565 0

उत्तर : 3. "4 days"
व्याख्या :
Answer: C) 4 days Explanation: From the given data, => (2 M + 3W) 8 = (3M + 2W)7 => 16M + 24W = 21M + 14 W => 10W = 5M => 2W = M => 14W × ? = 7W × 8 ? = 4 days

प्र: Guess the word? 1565 0

उत्तर :
व्याख्या :
SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

प्र: A train travels 325 km in 3.5 hours and 470 km in 4 hours. Find the average speed of train ? 1564 0

उत्तर : 2. "106 kmph"
व्याख्या :
Answer: B) 106 kmph Explanation: As we know that Speed = Distance / Timefor average speed = Total Distance / Total Time TakenThus, Total Distance = 325 + 470 = 795 kmThus, Total Speed = 7.5 hrsAverage Speed = 795/7.5 => 106 kmph.

प्र: Which of the following is a Non Renewable Resource of Energy? 1563 0

उत्तर : 3. "Natural Gas"
व्याख्या :
Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices. It is a resource that will not be naturally replenished.

प्र: Which player has won the Gold Medal at World Badminton Championship 2017 ? 1562 0

उत्तर : 1. "Nozomi Okuhara"
व्याख्या :
Answer: A) Nozomi Okuhara Explanation:

प्र: The average of marks in 3 subjects is 224. The first subject marks is twice the second and the second subject marks is twice the third. Find the second subject marks ? 1562 0

उत्तर : 3. "192"
व्याख्या :
Answer: C) 192 Explanation: Let the third subject marks be 'x'=> Second subject marks = 2x=> Third subject marks = 4xGiven avg = 224x + 2x + 4x = 224 x 3=> 7x = 224 x 3=> x = 96Hence, Second subject marks = 2x = 2 x 96 = 192.

प्र: Former Minister Ashwani Kumar has been awarded as Order of Rising Sun by which country ? 1562 0

उत्तर : 4. "Japan"
व्याख्या :
Answer: D) Japan Explanation:

प्र: Simple interest on a certain sum at 7% per annum for 4 years is Rs. 2415. What will be the compound interest on the same principal at 4% per annum in two years? 1562 0

उत्तर : 1. "Rs. 704"
व्याख्या :
Answer: A) Rs. 704 Explanation: We know that, S.I. = PTR100⇒ P = S.I x 100T x RAnd also,C.I = P1 + R100n- 1 From given data, P = Rs. 8625 Now, C.I = 86251+41002-1= 862526252-1= 8625676625-1= 8625 x 51625C.I = Rs. 703.80