The perimeter and the breadth of a rectangle are 82 cm and 20 cm respectively. Calculate the length of its diagonal (in cm).
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A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.
The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:
The compound interest on Rs. 64,000 for 3 years, compounded annually at 7.5% p.a. is Rs. 64,000
If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is
If cot 240° = x, then the value of x is
In a class consisting of boys and girls, there are 45 students. If three fifth of the students are boys, find the number of boys in the class.
Select the odd word/letters/number/number pair from the given alternatives.