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How many words, no matter if they are meaningless, can be formed by the letter, of the word ‘DIARY’?
68th BPSC
5
10
24
None of the above
The number of ways in which 12 identical pens can be distributed between two students, if each student is to get at least two pens, is
65th BPSC
8
9
10
None of the above
A man has 7 relatives (4 women and 3 men). His wife also has 7 relatives (3 women and 4 men). In how many ways can they invite 3 women and 3 men so that 3 of them are man's relatives and 3 of them are his wife's relatives?
NDA I 2024
340
484
485
469
A triangle PQR is such that 3 points lie on the side PQ, 4 points on QR and 5 points on RP respectively. Triangles are constructed using these points as vertices. What is the number of triangles so formed ?
NDA I 2024
205
206
215
220
What is the sum of all four digit numbers formed by using all digits 0, 1, 4, 5 without repetition of digits ?
NDA I 2024
44440
46460
46440
64440
How many four-digit natural numbers are there such that all of the digits are even ?
NDA I 2024
625
500
400
256
Four digit numbers are formed by using the digits 1, 2, 3, 5 without repetition of digits. How many of them are divisible by 4?
