Algebra
22 Questions Available
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If x = -1/2, y = 1/4 and z = 0, find the value of the given expressions
(a) 8z + 2x -y
(b) z – y + 3x
Anshika’s Score in Science is 15 more than the two-third of her score in Sanskrit. If she scores x marks in Sanskrit, find her score in Science.
A starts his car from Delhi at 6.00 am to Amritsar. The uniform speed of his car is x km/h. At 12.00 noon, he finds that he is still 50 km away from Amritsar. Find the distance between Delhi and Amritsar.
Deepak’s present age is one-third his mother’s present age. If the mother’s age was five times his age 6 years ago, what are their present ages?
Deepak’s present age is one-third his mother’s present age. If the mother’s age was five times his age 6 years ago, what are their present ages?
If x = -1/2, y = 1/4 and z = 0, find the value of the given expressions
(a) 8z + 2x -y
(b) z – y + 3x
A starts his car from Delhi at 6.00 am to Amritsar. The uniform speed of his car is x km/h. At 12.00 noon, he finds that he is still 50 km away from Amritsar. Find the distance between Delhi and Amritsar.
Here is a pattern of houses with matchsticks:
Write the general rule for this pattern.
If x = 2, y = 3 and 2 = 5, find the value of;
(a) 2x + y + z
(b) 4x -y + z
(c) x – y + z
The side of a regular hexagon is s cm. Find its perimeter.
Write which letters give us the same rule as that given by L.
Think of a number, add 2 to it and then multiply the sum by 6, the result is 42.
If a = 3, b = 1/2 and c = 1/4, find the value of (2ab-bc)/3ac
Find the value of the expression 2x – 3y + 4z, if x = 10, y = -12 and z = 11.
Anshika’s Score in Science is 15 more than the two-third of her score in Sanskrit. If she scores x marks in Sanskrit, find her score in Science.
Write an algebraic expression for each of the following:
(a) 3 subtracted from a number y.
(b) 5 is added to three times a number x.
Six less than a number equals to two. What is the number?
Form expressions using y, 2 and 7. Every expression must have y in it. use only two number operations. These should be different.
Number of pencils to be distributed to each student= 5And, let the number of students in class be ‘s’. As per the logic, Number of pencils needed =(Number of students in the class) x. (Number of pencils to be distributed to one student )
So, Number of pencils needed = 5 x s = 5s.
Complete the table and find the solution of the equation 19 – x = 13
