Placement Preparationan HCL GUVI product
Q31
Q31 Using the digits 1, 2, 3, 4, 5, 6, 7, a number of 5 different digits is formed. Find how many of these are exactly divisible by 4?
3120
1560
600
390
Q32
Q32 In how many ways can 4 letters be posted in 6 letter boxes?
256
64
216
1296
Q33
Q33 How many times will the digit 3 appear when we write numbers from 1 to 1000 ?
200
300
299
301
Q34
Q34 Christine, on her morning run, wants to get from point A to point B.
(a)How many routes with no backtracking can she take?
(b) How many of those routes go through point D?
(5 + 7)!/ 5! · 7!,[(3 + 4)! / (3! · 4!)] · [(2 + 3)! (2! · 3!)]
(5 - 7)!/ 5! ·+7!,[(3 + 4)! / (3! · 4!)]·[(2 + 3)! (2! · 3!)]
(5 + 7)!/ 5! · 7!,[(3 + 4)! / (3! +4!)]·[(2 - 3)! (2! · 3!)]
(5 + 7)!/ 5! · 7!,[(3 + 4)! / (3! +4!)]·[(2 + 3)! (2! +3!)]
Q35
Q35 In how many ways 20 apples can be distributed among 3 people ?
190
210
231
253
Q36
Q36 There are 10 points in a plane, 4 of which are collinear. Find the number of triangles which can be formed?
100
120
116
96
