A person cycles from hostel to college at a speed of 20 kmph and reaches 13.5 minutes late. If he cycles at a speed of 24 kmph and reaches early by 13.5 minutes, find the distance between hostel and college. (In km) एक व्यक्ति हॉस्टल से कॉलेज तक 20 किमी प्रति घंटे की गति से […]
A number divided by 11 leaves a remainder 3. What is the remainder when the square of the same number is divided by 11? a) 7b) 5c) 9d) 11 Ans : c) 9 UP Police SI Exam Paper – Mathematics Solution : Let the number be N. We are given that when N is divided
The ratio between the number of males and females in a college is 21:22. If the number of males are increased by 20% and the number of female increased by 30%. What is new ratio of males and females in the college? a) 127:143b) 125:143c) 128:143d) 126:143 Ans : d) 126:143 UP Police SI Exam
Find the sum of the G.P.: 2/5, 2/25, 2/125, 2/625, … to the n terms. a) 5/4(1-(1/5n))b) 2/5(1-(1/5n))c) 1/2(1-(1/5n))d) 4/5(1-(1/5n)) Answer : c) 1/2(1-(1/5n)) UP Police SI Paper – Numerical Mental Ability Solution : To find the sum of the given geometric progression (G.P.), we need to identify the first term and the common ratio.The
Find the sum of the G.P.: 2/5, 2/25, 2/125, 2/625, … to the n terms. Read More »
Two trains are moving in the same direction at the speed of 34 Km/hr and 86 Km/hr, there lengths are 300 meters and 480 meters respectively. What will be the time taken by faster train to cross the slower train? a) 36 secondb) 54 second c) 60 secondsd) 48 seconds Ans : b) 54 second
Weight of A1 is six times of A2 and A2’s weight is 50 percent more than that of A3. If the average weight of all three is 299 kgs, then what is the weight of A1? a) 1544 kgb) 979 kgc) 897 kgd) 702 kg Ans : d) 702 kg SSC Constable GD Paper :
The ratio of two number is 3 : 5. If their product is 3375, then what is the sum of both the numbers? a) 75b) 120c) 90d) 135 Ans : 120 SSC Constable GD paper : Elementary Mathematics Solution : The ratio of two number is 3 : 5Number are 3x and 5x Product of
If the cost price of an article is 5/8 of its selling price, then what is the profit percentage? a) 45 percentb) 75 percentc) 30 percentd) 60 percent Answer : d) 60 percent SSC Constable GD Paper : Elementary Mathematics Solution Let the selling price (SP) of the article be ( x ). The cost
If A1 is 19 times more than A2, then A2 is what percentage less than A1? a) 85 percentb) 105 percentc) 100 percentd) 95 percent Ans : d) 95 percent SSC Constable GD Paper : 2024 – Elementary Mathematics Solution : Let ( A_1 ) and ( A_2 ) represent the two quantities, where (
If A1 is 19 times more than A2, then A2 is what percentage less than A1? Read More »
The average of 25 numbers is 150. One more number is added and the new average became 160. What is that new number? a) 400b) 410c) 415d) 420 Ans : b) 410 SSC constable GD Paper 204 : Elementary Mathematics Solution : Total = average x number Total25 = 25 x150 =3750 New member is