The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?
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In a class of 39 students there are 36 girls. The average weight of these girls is 38 Kg and average weight of the full class is 40 kgs. What is the average weight of the boys of the class?
The chord AB of a circle of centre O subtends an angle θ with the tangent at A to the circle. Then measure of∠ABO is
The compound interest on Rs. 64,000 for 3 years, compounded annually at 7.5% p.a. is Rs. 64,000
An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.
A fraction, when taken away from 1/3 gives 1/12. The fraction is
If the angles of a triangle are in the ratio of 2 : 3 : 7, then find the ratio of the greatest angle to the smallest angle.
If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?
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