Question
Average of four numbers is 16. Sum of smallest and
largest number is 45. If difference between other two numbers is 1, then find the square of second smaller number.Solution
Let four numbers in increasing order is a, b, c and d. => a + b + c + d = 4 x 16 = 64 => a + d = 45 => b + c = 19 According to question, => c – b = 1 => b = 9, c = 10 => b² = 81
More Average Questions
- What will come in the place of question mark (?) in the given expression?
5555 ÷ 11 ÷ 5 = 100 +? 216% of 350 + 273 = ?2 × 21
(70% of 480) ÷ 6 + ? = 45% of 3500 + 802 + 272
What will come in place of (?) in the given expression.
√625 + 12 × 5 = ?If (3 × 144 – 252 ÷ 14) ÷ 18 = √1024 – x, then find the value of ‘x’.
1231 + 1312 + 2113 – 3211 = ?
(96% of 1100) + 92 × 4 = ? + 46 × 16
What will come in the place of question mark (?) in the given expression?
(252 + 198) ÷ ? + 126 ÷ 3 = 144 ÷ 2
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