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प्र: If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ? 1644 0

उत्तर : 4. "78"
व्याख्या :
Answer: D) 78 Explanation: Using Trial and error method, we get the number of girls in the hall = 78

प्र: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1396 0

उत्तर : 3. "32 years"
व्याख्या :
Answer: C) 32 years Explanation: Let Shilpa's present age is p years According to question, p = 4(x+4) – 4(x–4) p = 4x+16 – 4x+16 p = 32 Shilpa's present age = 32 years Rajeev is four years older than Shilpa => Shilpa's present age = Rajeev's age 4 years before. => Rajeev's age 4 years before = 32 years.

प्र: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1322 0

उत्तर : 1. "8 : 62.5"
व्याख्या :
Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5

प्र: Which University has topped the Times Higher Education World University Rankings 2018 ? 1222 0

उत्तर : 2. "Oxford"
व्याख्या :
Answer: B) Oxford Explanation: In the annual World University Rankings released by Times Higher Education, the Indian Institute of Science of India has reached 251-300 band from last year's 201-250 band, while Oxford and Cambridge universities are on the top in the Global 1000 list.

प्र: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2816 0

उत्तर : 2. "182"
व्याख्या :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182

प्र: "World Television Day" is observed every year on ___. 1469 0

उत्तर : 1. "Nov 21"
व्याख्या :
Answer: A) Nov 21 Explanation:

प्र: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 0

उत्तर : 4. "3"
व्याख्या :
Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.

प्र: If the labour cost 20% of the cost of production and raw material cost 10% of the cost of production and the price on which article is sold is 20% above the cost of production. If the price of labour is increased by 40% and the price of raw material increased by 20% and rest other expenditure of cost remain constant. The industry thus decide to increase the selling price by 10%. Find the new profit percent ? 1891 0

उत्तर : 2. "20%"
व्याख्या :
Answer: B) 20% Explanation: Let the Cost of Production of the article = 100 Then, Labour Cost = 20 Raw Material = 10 Other Expenditure = 100 - 10 – 20 = 70 Selling Price of the article = 120 After increasing Labour and Raw material cost by 40% & 20% respectively, New Labour cost = 28 New Raw material cost = 12 New Cost of Production = 70 + 28 + 12 = 110 Then, New SP = 110% of 120 = 120 x 110/100 = 132 => New Gain = 132 - 110 = 22 => New Profit % = 22 x 100/110 = 20%

प्र: If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ? 1644 0

उत्तर : 4. "78"
व्याख्या :
Answer: D) 78 Explanation: Using Trial and error method, we get the number of girls in the hall = 78

प्र: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1396 0

प्र: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1322 0

उत्तर : 1. "8 : 62.5"
व्याख्या :
Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5

प्र: Which University has topped the Times Higher Education World University Rankings 2018 ? 1222 0

प्र: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2816 0

उत्तर : 2. "182"
व्याख्या :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182

प्र: "World Television Day" is observed every year on ___. 1469 0

उत्तर : 1. "Nov 21"
व्याख्या :
Answer: A) Nov 21 Explanation:

प्र: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 0

उत्तर : 4. "3"
व्याख्या :
Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

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प्र: If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ? 1644 05b5cc6c7e4d2b4197774dea0

उत्तर : 4. "78" व्याख्या :Answer: D) 78 Explanation: Using Trial and error method, we get the number of girls in the hall = 78

प्र: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1396 05b5cc6c7e4d2b4197774dea5

प्र: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1322 05b5cc6c7e4d2b4197774de9b

उत्तर : 1. "8 : 62.5" व्याख्या :Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5

प्र: Which University has topped the Times Higher Education World University Rankings 2018 ? 1222 05b5cc6c7e4d2b4197774de91

प्र: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2816 05b5cc6c7e4d2b4197774de8c

उत्तर : 2. "182" व्याख्या :Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182

प्र: "World Television Day" is observed every year on ___. 1469 05b5cc6c7e4d2b4197774de82

उत्तर : 1. "Nov 21" व्याख्या :Answer: A) Nov 21 Explanation:

प्र: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 05b5cc6c7e4d2b4197774de87

उत्तर : 4. "3" व्याख्या :Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.

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: If the average height of boys in a hall is 180 cm and that of girls is 150 cm. If the average height of the gathering is 165 cm, then find the number of girls present in the hall if the number of boys present in the hall are 78 ? 1644 0

उत्तर : 4. "78"
व्याख्या :
Answer: D) 78 Explanation: Using Trial and error method, we get the number of girls in the hall = 78

प्र: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1396 0

प्र: A man purchases two articles, on selling one at loss of 20% while the other at a profit of 25%, he gains the overall profit of 5% than find the ratio of their selling price ? 1322 0

उत्तर : 1. "8 : 62.5"
व्याख्या :
Answer: A) 8 : 62.5 Explanation: Article I Article II -20 25% 5% 20% 25% 4 : 5 Now, Selling of first article = (4-20%) = 0.8 Selling of second article = (5+25%) = 6.25 Therefore the ratio of selling price = 8 : 62.5

प्र: Which University has topped the Times Higher Education World University Rankings 2018 ? 1222 0

प्र: What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272 2816 0

उत्तर : 2. "182"
व्याख्या :
Answer: B) 182 Explanation: The given series follows a logic that 11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,... So the missing number is 13 x 14 = 182

प्र: "World Television Day" is observed every year on ___. 1469 0

उत्तर : 1. "Nov 21"
व्याख्या :
Answer: A) Nov 21 Explanation:

प्र: If two is subtracted from each odd digit and three is added to each even digit in the number 94257636, how many digits will appear twice in the new number thus formed ? 2397 0

उत्तर : 4. "3"
व्याख्या :
Answer: D) 3 Explanation: Here 5, 7 & 9 are repeating after modulation.