Arithmetical Reasoning Quiz : 13.11.2022

A is 25 years younger than B. The age of B would be double the age of C after 15 years. The current age of B is three times the current age of C. what is the current age of A?

If 90% of a number is 621, what will be 50% of 20% of that number?

Anvita's mobile company charges Rs.2 for the first 5 minutes of a call, and 35 paise per minute after the first 5 minutes. If Anvita was charged Rs.9 in total for a call with her friend, what was the duration (in minute) of the call?

Four friends, Priya, Kavya, Gaurvi and Shalini, have different amounts of money with them. If Priya takes ₹88 from Kavya, then she will have an amount equal to what Gaurvi has. Shalini and Kavya together have a total of ₹550. If Gaurvi takes ₹25 from Shalini, she will have an amount equal to what Kavya has. If the total amount with Shalini, Kavya and Gaurvi is ₹840, how much money does Priya have?

The average age of 17 person is 39 years. If the average age of the 9 persons is 35 years, and the average age of the last 9 persons is 44 years, what is the age of the 9^th person?

The monthly income of three cricketers Ankit, Sanjay and Roshan, from different sources, are in the ratio of 12 : 9 : 7, and their expenditures are in the ratio 15 : 9 : 8. If Ankit saves 25% of his income for future investments, what is the ratio of the savings of Ankit, Sanjay and Roshan?

What is the value of  –  +  – ?

Train A, which runs at a speed of 90 km/h, starts from Station Y at 8 a.m. Train B, which runs at a speed of 120 km/h, starts from Station Y on the same route at 8.10 a.m.. If Train B catches up with Train A at 8.40 a.m. at Station Z, then what is the distance between Stations Y and Z?

In a class of 170 students, 155 students participate in one or more of the three classes, guitar, drum and violin. A total of 21 students participate in any two of these three classes. 54 students participate in drum class only, while 43 students participate in violin class only. 5 students attend all three classes. How many students attend guitar class only?

A and B can do a piece of work in 30 days and 15 days, respectively. A and B start the work together. In how many days will the entire work be completed?