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Form the greatest six digit odd number and smallest six digit even number using the digits from 1 to 9 only once. What will be the sum of these numbers?

The greatest digit odd number is 9, and the smallest digit even number is 2. To form the smallest 6-digit number, we have to start number with... View Article

The degree of a non-zero constant polynomial is?

Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree is the highest or... View Article

Every natural number is integer true or false?

The given statement is True. Every natural number is a whole number because integers are those numbers which are starts from 0 to infinity... View Article

A polynomial with one degree is called

A polynomial of degree 1 is known as linear polynomial. E.g.- Degree of polynomial 3x+5 ;is 1, thus it is a linear polynomial. The degree of a... View Article

Write five example of each. 1) cone 2) sphere 3) cuboid 4) cylinder

Cone - ice cream cone, funnel, birthday cap Sphere - football, ball bearing, ;globe Cuboid - computer, door, CPU Cylinder - PVC pipes, gas cylinder... View Article

Write the cubes of number 1 to 25

The cubes of the numbers from 1-25 are tabulated below Number (x) Cubes (x3) 1 1 2 8 3 27 4 64 5 125 6 216 7 343 8 512 9 729... View Article

Find the square root of 256 by prime factorization method

The Prime Factorization of 256 is 256 = 2 × 2× 2 × 2 × 2 × 2 × 2 × 2 To find the square root let us pair the factors and apply square root on... View Article

A bank advertises that you can double the money if you invest it with them for 8 years, what is the rate of interest offered by them?

Let us assume the bank follows the process of Simple Interest. We know that Simple Interest = Principal x Interest Rate x Number of years of... View Article

Find a Pythagorean triplet whose one number is 12.

Answer: Pythagorean triples are a2+b2 = c2 where a, b and c are the three positive integers. These triples are represented as (a,b,c). Here, a... View Article

A contractor estimates that 3 persons could rewire Jasminders house in 4 days. If he uses 4 persons instead of three, how long should they take to complete the job?

A contractor estimates that 3 persons would require to paint a house in 4 days. So if he hires 4 persons, the required time will be; 3 persons... View Article

The sum of the successor and predecessor of 100 is (a) 101 (b) 199 (c) 200 (d) 111

Predecessor refers to the number that just comes before a given number. So, the predecessor of 100 is 100-1 = 99 Successor refers to the number... View Article

Solve the linear equation [3t – 2] / 4 – [2t + 3] / 3 = 2/3 – t Linear Equations in One

Given (3t − 2)/4 − (2t + 3)/3 = 2/3 − t (3t – 2)/4 – (2t + 3)/3 = 2/3 – t ⇒ ((3t – 2)/4) × 12 – ((2t + 3)/3) × 12 ⇒ (3t – 2) × 3 – (2t + 3) ×... View Article

The sum of two negative integers is always a) 0 b) negative c) -1 d) positive

Answer: (b) Negative An integer is any number including 0, positive numbers, and negative numbers. It should be noted that an integer can never... View Article

Write true or false. 1 is the smallest prime number?

The given statement is false A number having exactly two factors, that is the number 1 and the number itself is called a prime number. Prime... View Article

Find the square root of 7056 by prime factorization method

Solving using prime factorization The factorization of 7056 7056= 2 x 2 x 2 x 2x 21 x 21 7056 = 2² × 2² × 3² × 7² √7056 = √2² ×2² × 3² × 7²... View Article

A book store offers a 10 % discount on all the books sold plus an additional discount of 5% on the total bill if the total bill after the initial discount is more than or equal to Rs. 1000. Dilshan bought 3 books worth Rs. 450, Rs. 520 and Rs. 250 respectively. How much money was Dilshan able to save as a result of the various discounts offered by the store?

We have given that The cost of three books are given below: Rs. 450, Rs. 520, and Rs. 250 Discount rate on all the books sold = 10% Total... View Article

A can do a work in 12 hours, B can do in 14 hours. They work alternatively starting from A. A earns rs.15/hr. How much does he earn from the whole job?

Given that Number of hours in which A can finish a job = 12 hours Number of hours in which B can finish a job = 14 hours They work... View Article

A man standing on the deck of a ship, which is 10m above the water level, observes the angle of elevation of the top of a hill as 60 degrees and the angle of depression of the base of the hill as 30 degrees. Find the distance of the hill from the ship and the height of the hill.

Let a man is standing on the deck of a ship at point a such that AB = 10 m Let us assume CE be the hill Thus, AB = CD = 10 m The top and... View Article

A light blinks after every 3 seconds, another light blinks after every 5 seconds. How many times do they blink together in half an hour?

Givem A light blinks after every 3 seconds, another light blinks after every 5 seconds. Find out We have to find how many times do they blink... View Article

Surekha Travels 10 km to reach her office she walks 0.5 km on foot at a speed of 8 km to catch a bus which Travels at a speed of 40 km What is the time taken by Surekha reach office?

Answer: Total distance traveled to reach the office (D) = 10 km By Walk Let us consider the motion during walk v = speed of Surekha during... View Article