If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?
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The average revenues of 11 consecutive years of a company is Rs 77 lakhs. If the average of first 6 years is Rs 72 lakhs and that of last 6 years is Rs 84 lakhs, What is the revenue for the Sixth year.
The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?
A shopkeeper by selling 21 Nike shoes, earns a profit equal to the selling price of 5 Nike shoes. His profit percentage is
If x2-2x+1=0, then the value of x4+1x4 is
The diameter of a circle is 28 cm find its area?
The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?