Q) Essel World is one of India’s largest amusement parks that offers a diverse range of thrilling rides, water attractions and entertainment options for visitors of all ages. The park is known for its iconic ‘‘Water Kingdom’’ section, making it a popular destination for family outings and fun-filled adventure. The ticket charges for the park are […]
pair of linear equations
Q) Places A and B are 180 km apart on a highway. One car starts from A and another from B at the same time. If the car travels in the same direction at different speeds, they meet in 9 hours. If they travel towards each other with the same speeds as before, they meet
Places A and B are 180 km apart on a highway. One car starts from A and another Read More »
Q) If 2x + y = 13 and 4x – y = 17, find the value of (x – y). Ans: We are given the following equations: 2 x + y = 13 …. (i) 4 x – y = 17 …. (ii) Step 1: To calculate values of x and y, let’s add both
If 2x + y = 13 and 4x – y = 17, find the value of (x – y). Read More »
Q) Can the number (8n), n being a natural number, end with the digit 0 ? Ans: For any number to end with the digit 0, it will be divisible by 10 Since 10 = 2 x 5, therefore, a number ending with digit 0 will be divisible by 2 and 5 both. Next, since
Can the number (8n), n being a natural number, end with the digit 0? Give reasons. Read More »
Q) If three times the greater of two numbers is divided by the smaller one, we get 4 as the quotient and 3 as the remainder. Also, if seven times the smaller number is divided by greater one, we get 5 as the quotient and 1 as the remainder. Find the numbers. Ans: STEP BY
Q) Three consecutive integers are such that sum of the square of second and product of other two is 161. Find the three integers. Ans: STEP BY STEP SOLUTION Let’s consider the three consecutive integers as (X – 1), X and (X + 1) By given condition, X 2 + (X – 1) (X +
Q) If the length of a rectangle is reduced by 5 cm and its breadth is increased by 2 cm, then the area of the rectangle is reduced by 80 cm². However, if we increase the length by 10 cm and decrease the breadth by 5 cm, its area is increased by 50 cm². Find
If the length of a rectangle is reduced by 5 cm and its breadth is increased by 2 cm, Read More »
Q) Can the number (15n), n being a natural number, end with the digit 0 ? Ans: For any number to end with the digit 0, it will be divisible by 10 Since 10 = 2 x 5, therefore, a number ending with digit 0 will be divisible by 2 and 5 both. Next, since
Can the number (15n), n being a natural number, end with the digit 0? Give reasons. Read More »
Q) Check whether 6n can end with the digit 0 for any natural number n. Ans: For any number to end with the digit 0, it will be divisible by 10 Since 10 = 2 x 5, therefore, a number ending with digit 0 will be divisible by 2 and 5 both. Next, since factors of
Check whether 6n can end with the digit 0 for any natural number n . Read More »
Q) The age of the father is twice the sum of the ages of his two children. After 20 years, his age will be equal to the sum of the ages of his children. Find the present age of the father. Ans: Let’s consider Father’ age be X and children’s age be Y and Z