If p is a prime number greater 3, how many numbers are there of the form p^2 + 2^p such that they are also prime numbers?
1. only 1
2. only 2
3. infinitely many
4. none
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Please help me with the approach of this question. Thanks in advance 🙂
a cube is cut into 8 parts using 3 cuts find percentage increase in total surface area
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Hi guys.. Can anybody provide link to CAT 2017 and 2018 test series provided by TIME??
If 4 men and 9 women can complete a work in 8 days and 3 men and 7 women can complete the same work in 10 days, then the time required for 1 man and 2 women to complete the same work is :
- 26
- 12
- 50
- 40
0 voters
There are 21 people in a group. The difference between the age of the eldest person in the group and the average age of the group is 20 years. If any one person leaves the group, the average age of the remaining persons in the group will be a maximum of 21.5 years and a minimum of 20 years and a minimum of 20 years. Find the age of the youngestmember of the group.
- 13
- 7
- 9
- 11
0 voters
Can someone explain how to solve this question using the line method used for finding maxima/minima?
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Sixteen squares of dimension 1 × 1 are chosen at random on a chessboard, having 64 squares of dimension 1 × 1. What is the probability that a square of 4 × 4 is formed?
What is the remainder when 37! is divided by 41?
A) 1
B) 0
C) 6
D) 7
E) 40
Word based questions in permutation and combination.
https://catwiz.org/2019/09/09/word-based-questions-part-1-permutation-and-combination/
a student gets an aggregate of 75% in 3 subjects a b c in 2:5:8 if ratio of Maximum marks in a b c is 1:2:3 then how much %marks he got in c
please help me to solve this set.
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how many AP's of 3 terms can be formed from the set of first 40 natural numbers? 1)40 2)380 3)760 4)none of these
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For a female ,non engineer and OBCNCL , what should be the ideal percentile to fetch a call from IIMC and convert it?