Exam Maths Puzzle Category

Ravana spends 30% of his salary on house rent, 30% of the rest he spends on his children’s education and 24% of the total salary he spends on clothes. After his expenditure, he is left with Rs 2500. What is Ravana’s salary ?

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Exam Other Question

log x = 1; log y = 2 then then value of log y /log x
a) 1/4
b) 2/50
c) 1/6
d) 1
e) data insufficient
a piece of work can be completed by 18 men in 10 days working 18 hours a day at 80% efficiency . how many men are needed to complete another work twice as great in 40 days working 6 hours a day at 90 % efficincy