Rubi and Juhi are sisters. Krishna is Johi's father's father. Reshms in the mother of Arvind. Arvind is the father of Rohit, who is the only brother of Rubi. How is Krishna related to Rohit? (RRB NTPC 2022 PYP)

Six people A, B, C, D, E and F are sitting around a circular table facing the centre. C sits second to the left of B. E is an immediate neighbour of B. F sits third to the left of E. D sits second to the left of A, who sits to the immediate right of A? (

In a certain code language, 'cip civ cin' is written as 'life is good', 'cip cin er' is written as 'love is life'. How will 'love' written as in that language? (RRB NTPC 2022 PYP)

In the data set given below, what is the difference between the Median and the Mode? {2.1, 5, 6, 7, 8, 9.3,11,15, 17, 19.21, 27, 31, 31, 33, 16.5, 14, 10}

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. A_ _BD_CEB_ _ CEB_

Statements: All men are robots All robots are machines. Conclusions: I. All machines are men. II. Some robots are men

Select the number from among the given options that can replace the question mark (?) in the following series. 3, 4, 7, 12, 19, 28, ? (RRB NTPC 2021 PYP)

The simple interest on an investment of Rs. ‘x’ for 4 years is Rs. 960. If the compound interest on the same investment at the same rate for 2 years is Rs. 504, then find the value of ‘x’.

A boat goes 90 km upstream and comes back downstream to its original place in overall 16 hours. The speed of boat in still water is ‘x’ km/h. Find the value of ‘x’ if the speed of stream is 3 km/h.

Akash bought a laptop at Rs. ‘x’ and marked it 40% above cost price and sold it to Rajan after giving 15% discount thus made a profit of Rs. 9,880. What would have been his amount of profit or loss if he had sold it at 30% discount?

Raj and Raman can complete a task in (x – 10) days and (x + 10) days respectively while working individually. While working together, they can complete it in(4x-10)/8 days. In how many days can Raj complete the task alone?

A shopkeeper bought an article for Rs. ‘x’ and earned a profit of 20%. Had he bought it at Rs. 50 less and sold it for Rs. 30 more, he would have gained 32%. Find the value of ‘x’.

Vikram had 2 laptops in his shop with marked price of Rs. 50000 and Rs. 36000 respectively. He sold these laptops at ‘3x’% and ‘2x’% discount respectively. If the sum of their selling prices was Rs. 77120, then find x.

L, M and N started a business by investing Rs. ‘x’, Rs. 40000 and Rs. 90000 respectively. N withdrew Rs. 10000 at the end of 9th month. If L’s share of 1st year’s profit was 8/25 of the total 1st year’s profit, then what was the initial capital of L?

A, B and C together can complete a work in ‘x’ days, while A and B together can complete the same work in (x + 2) days. If C alone can complete the work in 24 days, then find the value of ‘x’.