The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

Number System
The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

1/289

289/290

289

290/289

1/289

289/290

289

290/289

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Number System
In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?

20

12

13

0

20

12

13

0

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Number System
A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ?

27/143

30/146

28/144

29/145

27/143

30/146

28/144

29/145

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Number System
What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3?

70983

43893

43983

43883

70983

43893

43983

43883

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Number System
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

1327

1468

1292

1168

1327

1468

1292

1168

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Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

219

197

187

207

219

197

187

207

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System

Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?

Number System A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ?

Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3?

Number System The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

Number System
The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is:

Number System
In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient?

Number System
A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ?

Number System
What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3?

Number System
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.