A man has Rs.480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?
Correct answer D. 90
Tip: press A, B, C or D to answer, and N for the next question.
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Correct answer B. 240
Hamid spends 1/4 of his monthly salary on rent and 2/5 of the remaining amount on food. He saves the remaining Rs. 9000. What is his monthly salary?
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What number should replace the blank in 0.8 × ____ = 0.36 × 20?
Correct answer D. 9
A water tank is 2/5 full. After 36 litres are added, it becomes 7/10 full. What is the capacity of the tank?
Correct answer B. 120 litres
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