23.12.2023

Out of three numbers, Krish is five times the first and it is also twice Aarav. If Viaan is raised by 8, then the average of three works out to be 31. What is the smallest number?

• 15

• 16

• 10

• 12

What is the maximum number of times that 8/9 can be subtracted from 8, so that the remainder is not less than 3?

• 7

• 5

• 4

• 6

2/3rd of the balls in a bag are blue, the rest are pink. if 5/9th of the blue balls and 7/8th of the pink balls are defective, find the total number of balls in the bag given that the number of non-defective balls is 146.

• 216

• 432

• 649

• 578

Out of 100 students, Aanya, Naira, and Riyaan appeared for two different examinations. 60 passed the first, 50 the second, and 30 both the examinations. What is the probability that a student selected at random failed in both the examinations?

• 0.2

• 0.6

• 0.7

• 0.8

From a bag containing 8 green and 5 red balls, three are drawn one after the other. What is the probability of drawing three green balls in a row, if the balls drawn are replaced before the next pick and if the balls drawn are not replaced?

• 521/2197,336/2197

• 336/2197,512/2197

• 512/2197,336/2197

• 332/2197,512/2197

Aarush, Neha, and Ishika are playing a game with two bags of balls. The first bag contains 8 white balls and 3 blue balls, while the second bag contains 7 white and 4 blue balls. What is the probability of picking a blue ball?

• 7/22

• 3/7

• 7/25

• 7/15

Three friends, Tara, Mira, and Alisha, have two bags of balls. The first bag contains 5 red and 7 white balls, and the second bag contains 3 red and 12 white balls. If one ball is to be drawn from one of the two bags, what are the chances of drawing a red ball?

• 37/120

• 55/102

• 17/21

• 7/8

During a game, Neha and Naira are tossing two dice. If Neha throws a total of 5, what is the probability that she will throw another 5 before she throws 7?

• 50

• 45

• 40

• 60

Advait, Saisha, and Sanya are rolling 3 dice. What is the probability that they will get the sum of the numbers as 10?

• 25/216

• 27/216

• 10/216

• 1/11

Five letters are to be placed in five addressed envelopes. If the letters are put at random in the envelops, what is the probability that all the letters may be placed in wrongly addressed envelopes?

• 65/120

• 44/120

• 59/120

• 40/120