 Lv 136 points

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• ### you have n loads, each of weight w.?

you have n loads, each of weight w. when they are weighed in pairs, the sum of the weights of all the possible pairs is 120. when they are weighed in triplets, the sum of all the possible triplets is 480. find n.

• ### Two student Anil and Ashima appeared in an examination.?

Two student Anil and Ashima appeared in an examination. The probability that Anil will qualify the exam. is 0.05 and that Ashima will qualify the exam. is 0.02. Find the probability that atleast one of them will not qualify the exam?

• ### how many perfect cubes are there between 1 and 8000001 which are exactly divisible by 45?

how many perfect cubes are there between 1 and 8000001 which are exactly divisible by 45?

• ### Find the number of numbers less than or equal to 10^8 which are neither perfect square, nor perfect cubes, nor perfect fifth power?

Find the number of numbers less than or equal to 10^8 which are neither perfect square, nor perfect cubes, nor perfect fifth power?

• ### how many natural number not exceeding 4321 can be formed with the digits 1,2,3,and 4 if the digits can repeat ?

how many natural number not exceeding 4321 can be formed with the digits 1,2,3,and 4 if the digits can repeat ?

Mathematics6 years ago
• ### If 2^2x + 3^2x = 13^x find x?

If 2^2x + 3^2x = 13^x find x?

• ### if 2^2x + 3^2x = 13^x find x?

if 2^2x + 3^2x = 13^x find x?

• ### which is biggest and smallest out of 2^5555 , 3^3333 , 6^2222 ?

which is biggest and smallest out of 2^5555 , 3^3333 , 6^2222 ?

• ### find the largest prime factor of 3^14 + 3^ 13 - 12?

find the largest prime factor of 3^14 + 3^ 13 - 12