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Recent questions tagged rational numbers
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In a particular month, a man earns Rs. 7,200. Out of this income, he spends 3/10 on food, 1/4 on house rent, 1/10 on insurance and 2/25 on holidays.
asked
Apr 6, 2019
by
kratos
class-8
fractions
percentage
simplification
class-6
icse
rational numbers
data handling
+3
votes
1
answer
Let A = {x I x is a prime number and x < 30}. The number of different rational numbers whose numerator and denominator
asked
Apr 4, 2019
in
JEE
by
kratos
jee
permutations and combinations
class-7
jee mains
rational numbers
+3
votes
1
answer
Elaborate the following terms: a. Fashion show b. Petite c. Baggy trouser
asked
Apr 4, 2019
in
Class 12
by
kratos
cbse
class-8
decimals
probability
class-6
class-7
class-12
rational numbers
+2
votes
1
answer
(i) What should be subtracted from -2 to get 3/8 (ii) What should be added to -2 to get 3/8.
asked
Apr 2, 2019
by
kratos
class-8
class-7
rational numbers
+3
votes
1
answer
Simplify: (i) (-3/2) + (5/4) – (7/4) (ii) (5/3) – (7/6) + (-2/3) (iii) (5/4) – (7/6) – (-2/3) (iv) (-2/5) – (-3/10) – (-4/7)
asked
Mar 30, 2019
by
kratos
class-8
class-7
rational numbers
+3
votes
1
answer
If sinx + cos x = then tan 2x is - (A) 25/17 (B) 7/25 (C) 25/7 (D) 24/7
asked
Mar 26, 2019
in
Class 12
by
kratos
pythagoras theorem
trigonometry
class-8
class-11
class-10
class-7
class-12
complex numbers
rational numbers
data handling
+3
votes
1
answer
If a/b is additive inverse of -c/d, then -c/d is additive inverse of....
asked
Mar 23, 2019
by
kratos
class-8
rational numbers
+2
votes
1
answer
Express (5/7) as a rational number with denominator: (i) -14 (ii) 70 (iii) -28 (iv) -84
asked
Mar 23, 2019
by
kratos
class-8
class-7
rational numbers
+1
vote
1
answer
Write the set Q of rational numbers in the property form.
asked
Mar 23, 2019
in
Mathematics
by
kratos
class-8
discrete mathematics
icse
class-12
rational numbers
+1
vote
1
answer
-13/25 is smaller than -25/13.
asked
Mar 21, 2019
by
kratos
class-8
rational numbers
+3
votes
1
answer
From a rope of 10 1/2 m long, 4 5/8 m is cut ***. Find the length of the remaining rope.
asked
Mar 21, 2019
by
kratos
class-8
fractions
decimals
class-6
class-7
icse
rational numbers
+1
vote
1
answer
Write down the rational number whose numerator is the smallest three digit number and denominator is the largest four digit number.
asked
Mar 20, 2019
by
kratos
class-8
class-7
rational numbers
+3
votes
1
answer
In the figure below, P, Q, R, * are point on the sides of the triangle ABC such that CP = PQ = QB = BA = AR = RS = SC
asked
Mar 14, 2019
in
Class 10
by
kratos
geometry
class-7
class-10
rational numbers
nmtc
+1
vote
1
answer
For how many integral values of n is, n^2+7n+14 is a perfect square of an integer?
asked
Mar 11, 2019
in
JEE
by
kratos
number-system
geometry
number system
jee
class-6
class-10
class-7
triangles
jee mains
coordinate geometry
real numbers
rational numbers
+1
vote
1
answer
If log10 1025/1024 = α and log102 = β, then the value of log104100 in terms of α and β is equal to
asked
Mar 11, 2019
in
JEE
by
kratos
class-8
energy
jee
thermodynamics
force
jee mains
percentage and its applications
rational numbers
logarithms
+1
vote
1
answer
To stitch a shirt, 2 m 15 cm cloth is needed, out of 40 m cloth, how many shirts can be stitched and how much cloth will remain?
asked
Mar 10, 2019
in
Mathematics
by
kratos
class-8
fractions
maths
decimals
ncert
class-6
decimal fractions
icse
class-7
division
class-5
rational numbers
+1
vote
1
answer
Find the square root of 4761.
asked
Mar 10, 2019
by
kratos
class-8
perfect square series
number series
rational numbers
+2
votes
1
answer
By what number should we multiply (-15/28) so that the product may be (-5/7)?
asked
Mar 9, 2019
by
kratos
class-8
rational numbers
+3
votes
1
answer
Find any five rational numbers less than 2.
asked
Mar 6, 2019
by
kratos
class-8
rational numbers
+1
vote
1
answer
Evaluate: 5/9 + 3/-4
asked
Mar 5, 2019
by
kratos
class-8
class-7
icse
rational numbers
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