Question
A recent survey of married couples in Indian metro cities showed that 20% of the couples have only one child, 45% of the remaining couples have two children, and the rest of the couples have three or more children. What is the percentage of couples with three or more children?
More Mathematical operation Questions
- By interchanging which two signs the question will be correct? 15 + 5 ÷ 2 – 9 × 3 = 22
- If 'A > B' means 'A + B', 'A < B' means 'A X B', 'A ≥ B' means 'A - B' and 'A ≤ B' means 'A ÷ B', then what is the value of the expression '112 ≤ 14 <...
- If 14 (16) 8 and 28 (20) 5, then what is the value of A in 63 (A) 4?
- Which two signs should be interchanged to make the given equation correct?225 + 5 × 3 ÷ 5 – 7 = 133
- Which two numbers should be interchanged to make the given equation correct? 620 + 75 ÷ 8 × 35 – 44 × 5 + 15 = 583
- If A # B means A + B, A $ B means A - B, A % B means A X B and A & B means A ÷ B, then what is the value of '154 & 22 % 5 $ 68 # 84'?
- Select the correct combination of mathematical signs to replace (#) signs and to balance the given equation. 630 # 15 # 14 # 5 # 24 # 121
- In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
- If '!' means ' - ', '#' means '+', '%' means '÷' and '@' means ' X ', then what is the value of the following expression? 25 # 3 % 15 @ 35 ! 23
- If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation? 145 A 27 D 3 B ? = 163
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