4th Grade > Mathematics
DECIMALS MCQs
:
D
8's friend is 125 as 8×125=1000
18×125125=1251000=0.125
:
D
We have to do the addition:
=500+4+4100
=500+4+0.04
5 0 0 . 00 4 . 00+ 0 . 04–––––––––– 5 0 4 . 04––––––––––
:
C
Given: Cost of 1 pencil = ₹ 5.75
∴ Cost of 100 pencils =₹ (5.75×100)
⇒ Cost of 100 pencils = ₹ 575
:
C
Since 0.03 has two decimal places, we use the equivalent decimal of 1.1 with two decimal places.
i.e., 1.1−0.03=1.10−0.0.3
1 ./10/010− 0 . 0 3––––––––––– 1 . 0 7––––––––––
:
C
We first find 45×15, which is equal to 675.0
Shifting the decimal point two places to the left of 675.0, we get 6.75.
Therefore, 4.5×1.5=6.75.
:
C
cost of six cases = ₹ 156.49
∴ Cost of one case =156.496
156.496=26.08166...
Approximately equal to ₹ 26.08 (Rounding off).
:
C
In the first figure, 27 parts are shaded out of 100 , so the decimal is 0.27
In the second figure, 27 parts are shaded out of 100, so the decimal is 0.27
Hence both the decimals are equal
:
C
3×46+4×512−5×7103×46+4×512−5×710∴42+53−72∴LCM of 2 ×3=6∴4×32×3+5×23×2−7×32×312+10−2122−216=16
:
B
3÷67+7÷212−2÷5∴3×76+7×221−25∴72+23−25LCM of 2, 3, 5 is 30∴72=7×152×15=1053023=2×103×10=203025=2×65×6=1230∴105+20−1230=11330∴11330=32330