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When distance travelled is same, then average speed = 2ab/(a + b) (where 'a' and 'b' are two different speeds) . Therefore, required average speed = (2 x 75 x 45) ÷ (75 + 45) = (6,750/120) = 56.25 km/h
Statements:
Some shells are pebbles.
All pebbles are rocks.
Conclusions:
I. No shell is a rock.
II. Some shells a...
Select the correct mirror image of the given figure when the mirror is placed at MN as shown.
What should come in place of '?' in the given series?
10 59 353 ? 12701 76205 457229
Find the odd one out from the given alternatives.
Which two signs should be interchanged to make the given equation correct?
8 + 6 × 4 ÷ 2 – 10 = 6
Choose the right water image of the questionnaire from the given options.
Three of the following letter-clusters are alike in some manner and one is different.
Select the one that is different.
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which th...
In A CERTAIN Code language, ‘bike roads highways cars’ is written as ‘od lk sk jk’. ‘jeep scooter highways bus’ is written as ‘mj jk dn ho...
In a certain code language, ‘PAINT’ is written as ‘ODYTN’ and 'BRUSH' is written as 'CMMOZ'. How will ‘HOUSE’ be written in that language?
