Question
O is the circum centre of the isosceles ∆ ABC. Given
that AB = AC = 5 cm and BC = 6 cm. The radius of the circle isSolution
Use PGT in ∆OBD r2 - (4 – r)2 = 9 (r+4-r)(r-4+r) = 9 4(2r – 4) = 9 2r – 4 = 9/4 2r = 9/4 + 4 = 25/4 r = 25/8 => 3.125 cm
Two men started moving in a circular path from the same place at the same time in the same direction. If they complete one revolution in 12 min and 16 m...
The LCM of two numbers is 12 times their HCF. The sum of LCM and HCF is 403 and if both the number are smaller than their LCM. Find both the numbers?
If two numbers are in the ratio 2:3, what is the ratio of their HCF to their LCM?
- The product of two positive integers is 1400. If their HCF is 5 and their sum is 75, then find the difference between the numbers.
- If the product of two numbers is 420 and their HCF is 7, then find the LCM of the given two numbers.
The product of two numbers is 504 and their HCF is 6. Total number of such pairs of numbers is?
Find the least number which when divided separately by 15, 20, 35 and 45 leaves 3 as remainder in each case?
The greatest number of four digits which when divided by 10, 12, 14 leave remainders 8, 10, 12 respectively is:
Determine the LCM of (8/35) and (24/5).
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