Find the HCF of $18, 24, 36, 48.$

Important Questions on Number System

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 7

A heap of coconuts is divided into groups of $2, 3,$ and $5$ and each time no coconut is left over. Find the least number of coconuts in the heap.

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 8

There is a number which when divided by$4, 5,$ and $6$ always leaves the same remainder $3$. Find the smallest number which satisfies the given condition.

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 9

Find the number which satisfies the condition that when divided by $6$ always leave a remainder $5$ and when divided by $3$ always leave a remainder $2$.

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 10

Two cyclists were preparing for the Olympics in the Yamuna Velodrome. The first cyclist takes $10$ minutes to cover $1$ full round, whereas the second takes $9$ minutes (No wonder, India has never won an Olympics medal in Cycling !!). Assuming that they have enough stamina to last as long as your answer, find when would they both be together again at the starting block if they both started simultaneously?

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 11

Mr. Tamatar buys some apples at $5$ per rupee from one trader, and a similar quantity at $7$ per rupee from a different trader. He mixes both the varieties and sells the entire lot at $6$ per rupee. What is the profit or loss $\%$ that he makes?

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 12

What is the last digit of the number $2^{45}$?

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 13

Find the last digit of the product $7^{23}\times 8^{13}$.

EASY

IBPS RRB Office Assistant Mains

IMPORTANT

IBPS RRB Officers Scale-I, Preliminary & Main Online Exam>Chapter 5 - Number System>OBJECTIVE TYPE QUESTIONS>Q 14

What is the remainder if $7^{25}$ is divided by $6$?