Question
The average weight of 63 notebooks kept in a box is 6.3
kg. When a new notebook is placed in the box then the average is 6.4kg. Specify the weight of the new notebook. (In Kg)Solution
The average weight of the 63 notebooks is = 6.3 kg Sum of weight of the 63 notebooks = 6.3 x 63 = 396.9 kg The average weight of the 64 notebooks is = 6.4 kg Sum of weight of the 64 notebooks is = 6.4 x 64 = 409.6 kg Weight of the 64th book = 409.6-396.9 = 12.7 kg
80, ?, 240, 80, 20, 4Â
251, 130, 274, ?, 301, 76Â
What will come in place of the question mark (?) in the following series?
45, 68, 114, 183, 275, ?
What value should come in the place of (?) in the following number series?
500, 789, 428, ?, 340, 965
Which of the following numbers will replace the question mark (?) in the given series?
17, 30, 44, 59, 75, ?
What will come in place of (?) question mark in the given number series.
52, 61, 79, 106, 142, ?Â
In each of the following number series, one term is missing. Find the missing term.
7, 14, 28, 56, 112, ?
- What will come in place of the question mark (?) in the following series?
20, 32, 50, 74, 104, ? What will come in place of the question mark (?) in the following series?
15, 26, 39, 56, ?, 98
Find the missing number, in the given number series.
42, 52, 72, 112, 192, ?
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