Master official previous years' solved question papers for RRB NTPC Undergraduate Posts (Junior Clerk cum Typist, Accounts Clerk cum Typist, Junior Time Keeper, Trains Clerk, and Commercial cum Ticket Clerk) across General Awareness, Mathematics, and General Intelligence & Reasoning with detailed step-by-step solutions.
Marking pattern: 120 Questions / 120 Marks; +1.00 positive, -0.33 (1/3rd) negative marking (Official RRB CBT-II Scheme).
A shopkeeper purchases 20 identical items for ₹400. To make a profit of 25%, how many items should he sell for ₹400, if the selling price is uniform for all items?
Lines AB and CD are parallel, with A and C to the left of the transversal XY, and B and D to the right. The transversal intersects AB at M and CD at N, where X, M, N, and Y are collinear in that order. If measure of $\angle XMA = 125^{\circ}$, then the measure of $\angle CNY$ is:
The LCM of the numbers 3, 77 and 33 is:
₹620 amounts to ₹910 at a certain rate of simple interest in 2 years. Find the interest (in ₹) for the given 2 years.
A sum of money is divided among A, B, and C so that A gets twice as much as B and B gets three times as much as C. If the total sum is ₹720, how much does C get?
In a division sum, the divisor is 3 times the quotient and 8 times the remainder. If the remainder is 12, what is the dividend?
Consider the data set: 4, 8, 6, 5, 3, 9. Find the variance.
A shopkeeper expects a gain of 40% on his cost price. If in a week, his sale proceeds were ₹3,955, what was his profit (in ₹)?
Find the area of a square, which has twice the area of a triangle whose base length is 23 cm and corresponding height is 12 cm.
If $5\sin y + \cos y = \sqrt{13}\sin y$, find the value of $\tan y$.
Find fourth proportional to $2^{0.5}$, $2^{1.5}$ and $2^{2.5}$
Evaluate: $(-37) + (-56) \div (-3) \times 3$
$7\%$ of a number is what percentage of the $9\%$ of the same number? (Rounded off to two decimal places.)
Find the total number of prime factors of the number $5^{8} \times 6^{7} \times 11^{4}$
If $25\%$ of A is equal to $40\%$ of B, and $30\%$ of B is equal to $45\%$ of C, then A : B : C is:
If the average of three numbers is 15 and two of the numbers are 10 and 20, what is the third number?
A water tank is of cuboidal shape having length $15\text{ m}$ and breadth $12\text{ m}$. The sum of the area of the floor and ceiling of the tank is same as the area of four walls of the tank. How many liters of rainwater can be collected in this tank?
A, B and C together can complete a certain work in 37 days. B and C together can complete the same work in 74 days. B is $50\%$ more efficient than A. A, B and C work together for 28 days. B alone will complete the remaining work in:
Evaluate: $11 - 12 \div 12 \times 8$
A cyclist travels the first $30\text{ km}$ at $20\text{ km/h}$, the next $50\text{ km}$ at $25\text{ km/h}$, and the final $20\text{ km}$ at $10\text{ km/h}$. What is the cyclist's average speed for the entire $100\text{ km}$ trip (round off to the nearest integer)?
If 5 workers, working 8 hours a day for 12 days, produce 2400 units, then how many units will 10 workers, working 8 hours a day for 12 days, produce, assuming the productivity of each worker remains constant?
Krish has ₹1,352, which he divides between his two sons, Veer and Nitin. Both invest their respective amounts at an annual compound interest rate of 8%. If the amounts accumulated by Veer after 18 years and by Nitin after 19 years are equal, how much money (in ₹) did Krish give to Nitin?
The monthly incomes of two friends Mohan and David are in the ratio 6 : 8, respectively and each of them saves ₹51,000 every month. If the ratio of their monthly expenditure is 2 : 4, find the monthly income of Mohan (in ₹).
A gun is fired at a distance of 1.45 km from a place. The sound was heard after 5 seconds. The speed (m/s) at which sound travels is?
A laptop is marked at ₹45,000. A shopkeeper offers a discount of 25% on the marked price. After the discount, the laptop is sold with an additional 10% tax on the selling price. What is the final price of the laptop after the discount and tax?