The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?
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Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?
sin(A+B) - sin(A-B) is equal to
Expand : S + 23
If secA/(secA - 1) + secA/(secA + 1) = x, then x is
If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?
If 1/(1 + cosA) + 1/(1 - cosA) = x , then value of x is
The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is