Examsbook | Hand picked material and question banks

प्र: What is the missing number in 5, 14, 42, 107, 233, ? 3315 0

उत्तर : 3. "450"
व्याख्या :
Answer: C) 450 Explanation: Given Series is 5, 14, 42, 107, 233, _? 5, 14, 42, 107, 233, _? Differences is 9, 28, 65, 126 9 = 2^3 + 1 28 = 3^3 + 1 65 = 4^3 + 1 126 = 5^3 + 1 Now, next difference must be 6^3 + 1 = 217 Hence, next number in the given series = 233 + 217 = 450.

प्र: एक स्कूल में विधार्थियों की कुल संख्या 1224 है। स्कूल में लड़कियों की संख्या 600 है। स्कूल में लड़कों की कुल संख्या का लड़कियों की कुल संख्या से क्रमशः अनुपात क्या है? 3279 1

उत्तर : 1. "26:25"

प्र: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3276 0

उत्तर : 3. "3.5"
व्याख्या :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

प्र: A person sold two cows each for Rs.9900. If he gained 10% on one and lost 20% on the other, then which of the following is true ? 3276 0

उत्तर : 4. "None of the above"
व्याख्या :
Answer: D) None of the above Explanation: In first he got Rs. 990 But in second he lost Rs. 1980 So he lost Rs. 990.

प्र: 3125 256 ? 4 1 Which number replaces the "?" in the question? 3274 0

उत्तर : 1. "27"
व्याख्या :
Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44, 33, 22, 11 Therefore, the missing number is 27.

प्र: In a G - 20 meeting there were total 20 people representing their own country. All the representative sat around a circular table. Find the number of ways in which we can arrange them around a circular table so that there is exactly one person between two representatives namely Manmohan and Musharraf. 3273 0

उत्तर : 2. "2 x (18!)"
व्याख्या :
Answer: B) 2 x (18!) Explanation: A person can be chosen out of 18 people in 18 ways to be seated between Musharraf and Manmohan. Now consider Musharraf, Manmohan, and the third person, sitting between them, as a single personality, we can arrange them in 17! ways but Musharraf and Manmohan can also be arranged in 2 ways. Required number of permutations = 18 x (17!) x 2 = 2 x 18!

प्र: P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ? 3273 0

उत्तर : 1. "120"
व्याख्या :
Answer: A) 120 Explanation: 1/15 + 1/12 + 1/R = 1/6, we got R = 60 (it means R will take 60 days to complete the work alone) so ratio of work done by P:Q:R = 1/15 : 1/12 : 1/60 = 5 : 4 : 1 so R share = (1/10) x 1200 = 120.

प्र: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3262 0

उत्तर : 3. "10 years"
व्याख्या :
Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.

प्र: What is the missing number in 5, 14, 42, 107, 233, ? 3315 0

उत्तर : 1. "26:25"

प्र: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3276 0

उत्तर : 3. "3.5"
व्याख्या :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

प्र: A person sold two cows each for Rs.9900. If he gained 10% on one and lost 20% on the other, then which of the following is true ? 3276 0

उत्तर : 4. "None of the above"
व्याख्या :
Answer: D) None of the above Explanation: In first he got Rs. 990 But in second he lost Rs. 1980 So he lost Rs. 990.

प्र: 3125 256 ? 4 1 Which number replaces the "?" in the question? 3274 0

उत्तर : 1. "27"
व्याख्या :
Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44, 33, 22, 11 Therefore, the missing number is 27.

प्र: P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ? 3273 0

उत्तर : 1. "120"
व्याख्या :
Answer: A) 120 Explanation: 1/15 + 1/12 + 1/R = 1/6, we got R = 60 (it means R will take 60 days to complete the work alone) so ratio of work done by P:Q:R = 1/15 : 1/12 : 1/60 = 5 : 4 : 1 so R share = (1/10) x 1200 = 120.

प्र: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3262 0

उत्तर : 3. "10 years"
व्याख्या :
Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.

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: What is the missing number in 5, 14, 42, 107, 233, ? 3315 05b5cc636e4d2b4197774ba09

उत्तर : 1. "26:25"

प्र: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3276 05b5cc6bde4d2b4197774d947

उत्तर : 3. "3.5" व्याख्या :Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

प्र: A person sold two cows each for Rs.9900. If he gained 10% on one and lost 20% on the other, then which of the following is true ? 3276 05b5cc6dde4d2b4197774e9e2

उत्तर : 4. "None of the above" व्याख्या :Answer: D) None of the above Explanation: In first he got Rs. 990 But in second he lost Rs. 1980 So he lost Rs. 990.

प्र: 3125 256 ? 4 1 Which number replaces the "?" in the question? 3274 05b5cc77fe4d2b419777501dd

उत्तर : 1. "27" व्याख्या :Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44, 33, 22, 11 Therefore, the missing number is 27.

प्र: P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ? 3273 05b5cc731e4d2b4197774f814

उत्तर : 1. "120" व्याख्या :Answer: A) 120 Explanation: 1/15 + 1/12 + 1/R = 1/6, we got R = 60 (it means R will take 60 days to complete the work alone) so ratio of work done by P:Q:R = 1/15 : 1/12 : 1/60 = 5 : 4 : 1 so R share = (1/10) x 1200 = 120.

प्र: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3262 05b5cc75ee4d2b4197774fcde

उत्तर : 3. "10 years" व्याख्या :Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.

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: What is the missing number in 5, 14, 42, 107, 233, ? 3315 0

प्र: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3276 0

उत्तर : 3. "3.5"
व्याख्या :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

प्र: A person sold two cows each for Rs.9900. If he gained 10% on one and lost 20% on the other, then which of the following is true ? 3276 0

उत्तर : 4. "None of the above"
व्याख्या :
Answer: D) None of the above Explanation: In first he got Rs. 990 But in second he lost Rs. 1980 So he lost Rs. 990.

प्र: 3125 256 ? 4 1 Which number replaces the "?" in the question? 3274 0

उत्तर : 1. "27"
व्याख्या :
Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44, 33, 22, 11 Therefore, the missing number is 27.

प्र: P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ? 3273 0

उत्तर : 1. "120"
व्याख्या :
Answer: A) 120 Explanation: 1/15 + 1/12 + 1/R = 1/6, we got R = 60 (it means R will take 60 days to complete the work alone) so ratio of work done by P:Q:R = 1/15 : 1/12 : 1/60 = 5 : 4 : 1 so R share = (1/10) x 1200 = 120.

प्र: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3262 0

उत्तर : 3. "10 years"
व्याख्या :
Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.