Please ans these Q . it is urgent..
On tuesday, RAsheed rode to school from his home at an average speed of 12km/hr and arrived 15 min late. On Wednesday rasheed rode to school from his home at an average speed of 18 km/hr and arrived 10 min early. how far does rasheed live from school ?
a) 4.2 km b) 8.5 km c) 9 km d) 15 km
Aarush sat to study at 8 am. The angle of elevation of the sun was 15 0 .When he had finished studying the angle of elevation of the sun was 55 0. How long did aarush study ?
a) 40 min b) 1 hr 20 min c) 2 hrs 23 min d) 2hrs 40 min
One morning Bina downloaded songs from the net. This increased her collection by 50 % Howeverin the afternoon a virus destroyed 50 % of her total collection . If BIna's collection then numbered 300 songshow many did she have at the start of the day?
a)200b)300 c) 400 d) 600
Ravi is making a mixtureof sand ,cement and water. He adds 6 kg of cement and 4l of water to every 10kg of sand.which of the foll. statements is not correct?
a) the water is 20% of the mixture .
b) the ratio of sand to cement towater is 5:2:3
c) To make 30kg of mixture Ravi needs 9 kg of cement
d) If he uses 4.5 kgof cement then he needs 3l of water.
one....day? c) 400
ravi...correct? b) the ratio of sand to cement to water is 5:2:3
arush...study? a) 40 min.
on....school? d) 15 km