RAILWAY RECRUITMENT BOARD (RRB) FREE ONLINE MOCK TEST | MATHS TEST – 4 ENGLISH

A train travels 500 m in the first minute. In the next 4 minutes, it travels in each minute 125 m more than that in the previous minute. The average speed per hour of the train during those 5 minutes will be

If p²/q² + q² / p² = 1, then the value of (p⁶ + q⁶) is

If (m + 1) = √n + 3, the value of 1/2 ((m³ – 6m² + 12m – 8)/√n – n) is

If x=(a – b)/(a + b),y=(b – c)/(b + c),z=(c – a)/(c + a), then ((1 – x)(1 – y)(1 – z))/((1 + x)(1 + y)(1 + z)) is equal to

The value of 1/(1 + √2)+1/(√2 + √3)+1/(√3 + √4)+ . . . . . .+1/(√8 + √9) is

. If (√(a + 2b) + √(a – 2b))/(√(a + 2b)-√(a – 2b))=√3, then a : b is equal to

∆ABC is an isosceles triangle with AB = AC = 10 cm, AD = 8 cm is the median on BC from A. The length of BC is

The angle between the minute hand and hour hand of a clock when the time is 7:20 is equal to

The value of cos² 30° + sin² 60° + tan² 45° + sec² 60° + cos 0° is

The difference between simple and compound interest on a sum of money at 12% per annum for 2 years is Rs. 90. The sum is

Two numbers are such that the sum of forth the first number and thrice the second number is 45 and sum of seventh the first number and thrice the second number is 81. What is the sum of the numbers ?

If the sum and the difference of two numbers are 54 and 16 respectively, then the difference of their square is:

A and B can complete a work in 20 days and 15 days respectively. They started doing the work together but after 3 days B had to leave and A alone completed the remaining work. The whole work was completed in:

The average marks obtained by 400 candidates in a 10th board examination are 35. If the average marks of passed candidate is 41 and that of the failed candidates is 31, what is the number of candidates who passed the board examination?

How much water to be added to 28 liters of milk worth Rs. 10.80 a litre so that the value of the mixture may be Rs. 8.40 a litre?

The marked price of a sports watch was Rs. 720. A man bought the same for Rs. 569.16 after getting two successive discounts, the first being 15%. What was the second discount rate?

Area of incircle of an equilateral triangle is 36π cm². Find the area of its circumcircle.

what is the difference between the greatest number consisting of 5 digits and the smallest number consisting of 4 digits?

Select the option that can replace the question mark (?) in the following equation.

5-10(6×9÷5-(1-1/5))+(-8/7+86/14)8 = ?

Out of nine persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expenditure of all the nine. The total money spent by all of them was?