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. Then what is the present age of the wife?
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If √[(1 + cosA)/2] = x, then find the value of x.
In the following question, select the odd letters from the given alternatives.
What will be the average of the first 5 positive even numbers divisible by 9?
The area of a square is 40.5 cm². Find the length of its diagonal (in cm).
Find two numbers whose sum is 29 and the product is 100.
If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?
In the given figure, AQ = 4√2 cm, QC = 6√2 cm and AB = 20 cm. If PQ is parallel to BC, then what is the value of PB (in cm) ?
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