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What approximate value should come in the place of the question mark (?) in the following question? (You are not expected to calculate the exact value)
(8.88 × 5.25) + 54.80 = ? × 4.19 + 27.897
115.72 ÷ 4.10 × 4.90 = 90.14% of 200 - ?
What should come in place of ‘?’ in the following number series?
15, 16, 12, 39, 23, ?
2, 4, 10, 22, ?
4, 2.5, 3.5, 6.75, ?
17, 18, 14, 23, 7, ?
Amit lent Rs. 4000 to Raj for a period of 4 years. He lent a part of the sum at 3% simple interest and the rest at 5%. If he received a total of Rs. 640 as interest at the end of 4 years, what was the part of money lent at 5%?
In an examination, the number of those who passed was 5 times the number of those who failed. If there had been 75 less candidates and 10 more had failed, the ratio of passed to failed candidates would have been 1 : 2, then find the total number of candidates initially?
A train half of the length of a 1 km long bridge covers it in 2 min. A still man sees the train crossing the bridge then what is the speed of train with respect to man?
30 litres of milk is mixed N litres of some water. The price of milk is Rs. 40 per litre and price of water is Rs. 1 per litre. Due to the mixing, the cost of mixture became Rs. 24.4 per kg. What is the value of N?
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