Question
A girl’s age is 145% of what it was 8 years ago, but
65% of what it will be after 8 years. What is her present age?Solution
Let the girl's present age be 'x' years. According to question, => 1.45 × (x-8) = 0.65 × (x+8) => 1.45x – 11.6 = 0.65x + 5.2 => 0.8x = 16.8 => x = 21 years
(106 + 14)/15 = ?/5
What will come in place of (?) question mark in the following expression.
(123 ÷ 62) × 15 - 120 = ?
Evaluate: 360 ÷ [ {18 − (6×2)} × 5 ] + 72 − 33
What will come in the place of question mark (?) in the given expression?
? × 18 + 3072 ÷ 24 = 20% of 1900Â
Find the value of 45 - 3 x (4 of 6 + 12 ÷ 3 × 6 – 4 × 5) + 6.
Determine the value of ‘a’ if a = √529 + √1444
Simplify the following expression:
345 = √2704 ÷ (?% of 104) + 7 3
(7/4×18/21)+ (51/7× 28/17) + (25/2 × 48/10) =?
Simplify the following questions and choose the correct option.
[(96 ÷ 12)² + (45 × 4 ÷ 9)] − (3/4 of 64) = ?
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