How many three digit numbers have a digital root = 5?

Sail E0 Webinar

Question

How many three digit numbers have a digital root = 5?

Answer: Option B
:
B

The numbers will fall in an AP with common difference = 9. Answer will be $\frac{995 - 104}{9} + 1 = 100.$

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. Working together, A & B finish a DTP work in 10 days. Had A worked at half his efficiency and B at 5 times h....days can B complete the DTP work on her own?

Question 2. How many four-digit numbers divisible by 11 are not palindromes? (A palindrome is a number that reads the same in eith....number that reads the same in either direction, e.g. 121)

Question 3. If CAT 2017 contains 150 questions and each question contains 5 options, find the total number of ways in which a stud....a student can answer atleast two out of 150 questions.

Question 4. In the given figure, AD is a median to side BC, and BF is a median to side AD. Given that AC= 30 units, what is the leng....that AC= 30 units, what is the length of AE.

Question 5. What is the remainder of 20001000 divided by 13? ....

Question 6. Find the number of integral solutions of the equation p2=388+q2. ....

Question 7. Find the product of all prime numbers between 1 and 20. ....

Question 8. There are only two machines Alpha and Beta in Limestone Industries. It takes machine Alpha m hours to polish....Assume that all the granite stones are of identical size

Question 9. In the figure given below, the two circles touch externally. AB is a diameter of the larger circle and C is the centre o....be the length of the line segment CD?

Question 10. How many four digit whole numbers ‘n’ are possible such that the last four digits of n2 are in fact the ....digits of n2 are in fact the original number ‘n’?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Chapter 3.1 : Overview of Finance & Accounts Department Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An overview Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024