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# Maths Questions for CTET,KVS Exam : 20th october 2018 Dear Students!!! There is most general as well as a scoring section in all the competitive entrance examinations in the teaching field i.e “Mathematics”.Because in this section only one thing is work i.e your accuracy and that could be nourished with the daily practice. So, for this, we are providing you the daily quiz for all teaching exams i.e CTET Exam 2018, DSSSB ,KVS,STET Exam.

Q1. Cost price of 6 bag and 4 books is Rs. 1400 and 10 bag and 6 books is 2200. What will be cost of 2 bag and 6 book ?
(a)Rs.1200
(b)Rs.1000
(c)Rs.1500
(d)Rs. 1400

Q2. What will be compound Interest on Rs. 8400 for 2 year at 20% per annum. If interest compound annually ?
(a) Rs.3634
(b) Rs.4234
(c)Rs.3696
(d) Rs.3966

Q3. Perimeter of rectangle is 48 cm and length of rectangle is 16 cm. The find the area of rectangle ?
(a)128 sq. cm
(b) 228 sq. cm
(c) 340 sq. cm
(d)768 sq. cm

Q4. A is 50% more efficient than B and complete a task in 16 days. How many days required in complete the task if both work together ?
(a) 9  2/5 days
(b) 10 3/5 days
(c)9 3/5 days
(d) 9 4/5 days

Q5. Abhishek go to place at the speed of 45 km/hr and returned at the speed of 55 km/hr. Find the average speed of entire journey ?
(a)49.5 Km/hr
(b)51.5 km/hr
(c) 50 km/hr
(d) 51 km/hr

Q6. In still water, speed of boat is 9 km/hr and speed of current is 5 km/hr. Find time taken by a boat to cover 28 km downstream and returned upstream at starting point ?
(a) 8 hr
(b)9 hr
(c) 10 hr
(d) 11 hr

Q7. X = 3Y and 30% of X = 180 then find sum of (X + Y) ?
(a) 400
(b) 600
(c)800
(d) 100

Q8. Simplify: (4/18+6/10)÷(4/18+4/10)
(a) 1 11/28
(b) 1 9/28
(c) 1 13/28
(d) 1 1/4

Q9. What is the median of the following number 7, 4, 6, 9, 11, 19 and 5 ?
(a) 6
(b) 11
(c) 7
(d) 9

Q10. Train crosses a station in 20 seconds. If length of station and train is equal and speed of train 15 m/s, then find the length of train ?
(a)150 m
(b) 250 m
(c)200 m
(d)120 m

SOLUTIONS

S1. Ans.(d)
Sol.
6 bags + 4 books = 1400 …(i)
10 bags + 6 books = 2200 …(ii)
On, (i) × 10 and (ii) × 6
60 Bags + 40 books = 14000 …(iii)
60 bags + 36 book = 13200…..(iv)
On subtracting,
4 books = 800
1 book = 200 Rs.
6 bags = 1400 – 4 × 200
6 bags = 600
1 bag = 100
Cost of 2 bags and 6 books
= 2 × 100 + 6 × 200
= 200 + 1200
= 1400 Rs. S3. Ans.(a)
Sol.
2 (ℓ + b) = 48
b=48/2–16
b=8cm
Area = 16 × 8
= 128 sq. cm

S4. Ans.(c)
Sol.
Efficiency Ratio
A : B = 150 : 100
= 3 : 2
Let, Total work = 3 × 16 = 48
(A+B)=48/((3+2) )
=9 3/5 days

S5. Ans.(a)
Sol.
Average speed=2XY/((X+Y) )
=(2×45×55)/((45+55) )
=4950/100=49.5 km⁄hr

S6. Ans.(b)
Sol.
Required time
=28/((9+5) )+28/((9–5) )
= 2 + 7 = 9 hr

S7. Ans.(c)
Sol.
x=180/30×100
=600
(x+y)=(600+600/3)
=800

S8. Ans.(b)
Sol.
=((20+54)/90)÷((20+36)/90)
=37/28=1 9/28

S9. Ans.(c)
Sol.
Numbers = 4, 5, 6, 7, 9, 11, 19
Median of odd number
=((n+1)/2)
=((7+1)/2)=4th
Median = 7

S10. Ans.(a)
Sol.
Let’s length of train and platform will be ℓ meter
15=2l/20
15 × 20 = 2ℓ
ℓ = 150 meter Join India's largest learning destination

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