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Class 7 Mathematics revision questions and answers Set 1
Simplify
2(3y+2x+4) +2(2y-x-2)
A.10y+x-12
B.2y+2x-4
C.10y+2x+4
D.8y+6x-10
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1.
What is 999997 rounded to the nearest tens? A. 999910 B. 10000 C. 1000000 D. 999990
2.
Express #6/7#as decimal to 3 decimal places. A. 0.8571 B. 0.857 C. 1.1666 D. 1.167
3.
What is the total of 8 in the number 784609 divided by 10000? A. 8000 B. 8 C. 80000 D. 800
4.
Work out the following : #7/9-(7/12div7/9)# A.#4/4# B.#1/4# C.#1/36# D.#7/36#
5.
If x=6, y=x+2 and Z=#1/2#X. Calculate the value of: #(x-y+z)/(y)# A. 8 B. 5#2/3# C. 2 D.#1/8#
6.
Express 37 #1/2#% as a fraction. A.#3/20# B.#13/40# C.#3/8# D.#3/4#
7.
Solve for x in the equation #1/2x-1/3#=5 A. 9#1/3# B. 5 C. 30 D. 10#2/3#
8.
If 60% represents 240 bottles of soda, how many bottles of soda are represented by 70%? A. 400 B. 280 C. 40 D. 160
9.
What is the perimeter of a square whose area is #5 1/16 cm^2#? A. 10cm B. 8cm C. 9cm D. 2#1/4#cm
10.
Out of every 5 people employed in a certain company, 2 are women. What percentage of the employees are men? A. 30% B. 20% C. 40% D. 60%
11.
Work out #3(3/4+1/8)div1/2+2/3# A.#7/8# B.2#1/4# C.3#1/16# D.5#11/12#
12.
A plate costs sh 50 and a bowl costs p shillings. What is the cost of 4 plates and 4 bowls? A.Sh (8p +200) B. sh (4p + 50) C.Sh (16p + 50) D.sh (4p+200)
13.
Which of these numbers is divisible by 11 A.7111 B. 8580 C.11111 D.7692
14.
Three bells ring at interval of 6 minutes, 4 minutes and 3 minutes. If they all ring at 8:15 a.m, at what time time they ring together again? A.8:00 am B.8.03am C.8:27am D.8:27pm
15.
A rectangular plot measures 400m in width and 800 m in length. Calculate its area in hectares. A.3.2 B.32 C.320000 D.12000
16.
Evaluate #(0.021xx2.8)/(0.03xx0.004)# A.770 B.70 C.49 D.490
17.
What is the next number in the sequence 65,33,17,9,5,_ A.1 B.2 C.3 D.4
18.
A bicycle wheel has a diameter of 42cm. how many revolutions will it make to cover a distance of 13.2 k.m? A.10000 B.1000 C.100 D.10
19.
A tank contains 2400 litres of water after 40% has been used. What is the capacity of the tank? A.1440 l B.4000 l C.1600 l D.9600l
20.
What is the next number number in the sequence? 3,7,13,21,_ A.33 B.29 C.31 D.35
21.
The area of a square is 625 #cm^2#,what is the perimeter? A.625cm B.100cm C.25cm D.50cm
22.
What is the area of the triangle below? A.#150cm^2# B.#85cm^2# C.#60cm^2# D. #75cm^2#
23.
What is the area of the shaded part of the figure below? A.#160cm^2# B.#80cm^2# C.#20cm^2# D.#40cm^2#
24.
What is 9:45 as a percentage? A.30% B.25% C.20% D.5%
25.
Simplify 2(3y+2x+4) +2(2y-x-2) A.10y+x-12 B.2y+2x-4 C.10y+2x+4 D.8y+6x-10
26.
Work out the following: #2 1/3div1 1/2xx3/4# A.#2 2/27# B.#1 1/6# C.#2 5/8# D.#10 1/2#
27.
Work out: #sqrt((169)/(625))div2 2/5# A.#1 31/125# B.#139/15000# C.#13/60# D.#1 16/25#
28.
Which of the sets of fractions in the choices is arranged in descending order? A. #1/2,1/4,2/5,4/5# B.#4/5,1/2,2/5,1/4# C.#1/4,2/5,1/2,4/5# D.#1/4,1/2,4/5,2/5#
29.
What is the value of? #(357xx8)/(21xx17)# A.10 B.8 C.4 D.6
30.
A farmer collects 156 eggs each day. How many trays does he need to pack all the eggs collected in one week? A tray holds 30 eggs. A.37 B.36 C.30 D.10
31.
A third of people in a church one Sunday were men. #1/4# of the remaining people were children. If there were 240 people in church that Sunday, how many women were there? A.80 B.40 C.120 D.60
32.
Obull has m fruits. Gethena has 13 more fruits than Obull while Aite has 4 less than Obull. How many fruits do they have altogether? A.3m+17 B.m+9 C.3m+9 D.3m + 22
33.
Waiharo had 1420 goats and sheep. He sold 144 sheep and 349 goats were stolen during a raid. How many animals he has now? A.1385 B.1817 C.1529 D.1336
34.
Nyamato spent #1/9# of his salary on food,#3/4# of the remainder on school fees and the rest on leisure. If his salary was sh 10800, how much did he spend on leisure? A.sh 2400 B.sh 1200 C.sh 8100 D.sh9600
35.
What is the value of #32024div 8?# A.43 B.403 C.4003 D.40003
36.
What must be multiplied by 20.25 to get 202.5? A.100 B.10 C.1 D.#1/10#
37.
In 2007, Akinyi harvested 6474 bags of maize. This was 618 less than what she harvested in 2006. How many bags did she harvest in the two years altogether? A.12948 bags B.7092 bags C. 12330 bags D. 13566 bags
38.
Arrange the fractions#4/9,3/7,2/5 and 1/2# from smallest to the largest. A.#4/9,3/7,2/5,1/2# B.#2/5,3/7,4/9,1/2# C.#1/2,2/5,3/7,4/9# D.#1/2,4/9,3/7,2/5#
39.
What is the value of x in: #3/4#(8x-4)=4x+7 A.2 B.5 C.5 #1/2# D.2 #3/8#
40.
If p=5, n=p+3, m= #1/2#n, find the value of: #(p+mn)/(p-m)# A.37 B.52 C.9 D.160
41.
During sports meeting, the number of women was 100. The boys were three times the women and 80 more than men. The girls were 20 more than men. How many people attended the sports meeting? A.460 B.500 C.860 D.1100
42.
In a #Harambee# meeting, there were four hundred and fifty seven people. Each of them contributed three hundred and forty shillings. How much in total did they contribute? A.sh 137828 B.sh 138928 C.sh 155380 D.sh 15438
43.
Batia had 280 animals. He sold#5/7# and #1/5#of the remainder died. How many animals did he remain with? A.200 B.16 C.64 D.40
44.
A co-operative society bought land for its 600 members. If 70 hectares of land were set aside for future development while each member was allocated 7.5 hectares, how much land did the society buy? A.4500 ha B.775 ha C.4570 ha D. 4430 ha
45.
What is the next shape in the pattern below?
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