Q.1 Write an algebraic expression for the following expressions:
(a) The sum of a number x and 4 is doubled.
(b) One fourth of a number x is added to one third of the same number.
(c) Geeta is thrice as old as her daughter
Q.2 Price of a notebook id Rs.5. Find the rule which gives the price of x notebooks which child wishes to buy.
Q.3 Pick out the correct solution from the bracket : n+12=20 ( 12,8,20,8)
Q.4 If y is Seema’s age now , how old will she be after 6 years ?
Q.5 Is 2p-3su an algebraic expression ?
Q.7 Fill in the blanks:
a) If x = _________ , then is 2x =12 true
b) The product of 2 and x is being added to the product of 3 and y is expressed as ________.
c) The successor of -45 is _________
d) The number 6 less than -4 is ___________
Q.8 Write which letters give us the same rule as that given by L. Q.9 Do as directed:
a) Write 404.74 in words
b) Write in decimals : eleven point two three five
c) Express 94m as km using decimals
d) Express 575 paise as decimals
e) Add 92.5 , 16,542 and 1.711
Q.10 Suman bought 5m 50cm cloth for Kurta and 3m 25 cm for Pyjama. Find the total cloth bought by her. Express the answer in decimals.
Q.11 17 subtracted from a number and the result is -10. Find the number Q.12 What is the value of : (-11)+(-21)+19 ?
Q.13 Subtract -17 from -51
Q.14 By how much is -12 lesser than -10 ?
Q.15 What is the value of x , if (-6)+x=0 ?
Answers
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Answer:
2(x+4)
it may help u........
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