A shopkeeper sold a school bag at a profit of 60%. Had he sold the school bag at 20% profit he would have earned Rs.164 less. Find the cost price of the school bag.

Let the cost price of the school bag be Rs.’x’ According to question, => 1.6x – 1.2x = 164 => 0.4x = 164 => x = 410 So, the cost price of the school bag is Rs.410

The ratio of two number is 13 : 10 and their HCF is 25. then find out their LCM?

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?

Two numbers are in the ratio 4:7. The product of their H.C.F. and L.C.M. is 5488. The sum of the numbers is:

What is the HCF of (x4 - x2 - 6) and (x4 - 4x2 + 3) ?

The product of the two prime numbers is 187. What will the L.C.M of these two numbers?

A number is three times another number and their HCF is 8. What is the sum of the squares of the numbers?

Find the least number which when divided separately by 15, 20, 35 and 45 leaves 3 as remainder in each case?

The LCM of two numbers is 40 times its HCF. If the product of the numbers is 1440, find their HCF.

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