20 ÷ 20 + 20 – 25 × 25=419
2217 05efc2d79196e681f76e9f4f25efc2d79196e681f76e9f4f2The sum of the present ages of two cousins is 46 years. Eight year ago, the elder one was twice as old a the younger one. What is the present age of the elder cousin?
2652 05ef5c0f0d7fe8173219d2f9fIf 5=10, 6=18, 7=28 then 8=?
2039 05ef2d43981a47f2e7aeb8b00Which interchange of signs will make the following equation correct?
35 + 7 * 5 ÷ 5 - 6 = 24
A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, what is the present age of the wife?
2217 05ee216e0e9ea010382e599c4Ashok's mother was 3 times as old as Ashok 5 years ago. After 5 years she will be twice as old as Ashok. How old is Ashok today?
1712 05ee21592e9ea010382e5981cIn the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4
If "P" denotes "multiplied by", "R" denotes "subtracted from", "S" denotes "added to" and "Q" denotes "divided by", then which of the following equation is true?
765 05ed7441aebc5ce408e2e011c