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Divisibility rule of 11: (sum of the digits at odd place – sum of the digits at even place) must be multiple of 11 or equal to zero. So, (4 + b + 9 + a + 4) – (8 + 2 + 7 + 5) = 0 or a multiple of ‘11’. (17 + a + b) – 22 = 0 (because we want smallest value of a + b) Or, (a + b) = 22 – 17 = 5
1365 ÷ 15 + (? ÷ 5) = 62 × 3.5
{17 + √2601}/(? + 2) = 17
25% of 400 + 3 × 102 = ?2Â
690 ÷ (75% of 460) = ? ÷ (50% of 160)
What will come in place of the question mark (?) in the following questions?
35% of 240 – 6 2 = ? 2 – √256
808 ÷ (128)1/7 + 482 = 4 × ? + 846
What will come in the place of question mark (?) in the given expression?
(40/25) X 80 - ? = 45% of 300 - 55
√121 + √961− √289 =?2
22 – 15 + 20 × 18 ÷ 6 – 34 = ?
