Question
Study the given pattern carefully and select the number
that can replace the question mark (?) in it. Â First row: 84, 42, 49 Second row: 72, 58, 53 Third row: 105, 96, ? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)Solution
The logic followed in the given series is: (First term ÷ 3) + (Second term ÷ 2) = Third term First row: 84, 42, 49 (84 ÷ 3) + (42÷ 2) = 49 28 + 21 = 49 49 = 49 Second row: 72, 58, 53 (72 ÷ 3) + (58 ÷ 2) = 53 24 + 29 = 53 53 = 53 Third row: 105, 96, ? (105 ÷ 3) + (96 ÷ 2) = ? 35 + 48 = ? ? = 83 Hence, the correct answer is (C).
{5% of (20 × 25) + 6% of (30 ×35)} ÷ 11 = ?Â
If a³ - b³ = (a - b)(a² + ab + b²), find a³ - b³ when a = 10 and b = 4.
What will come in place of the question mark (?) in the following expression?
(320 ÷ 8 + 22) × 4 = 60 + 40% of ?
√324 + √576 = ?/ √9
√? = 32% of 900 + 48% of 50
 Â
[490 of 7 - (13)2 of 5] - 1228 = ?
What value should come in the place of (?) in the following questions?
(7/9) of (15/4) of 480 = ?
15848 ÷ 4 – 793 × 6 + 3628 = 3 × ?
(342 – 20% of 5280) = ? ÷ 3
(26)2 = {(20% of 40% of 18200) ÷ ?} × 1664 ÷ 128Â
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