A typist has to type a manuscript of 40 pages. She has typed
30 pages of the manuscript. What is the ratio of the number of pages
typed to the number of pages left?
Fill in the blank spaces:
(a) All mammals (except a few) have __________ cervical vertebra.
(b) The number of phalanges in each limb of human is __________
(c) Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely
__________ and __________.
(d) In a muscle fibre Ca++ is stored in __________
(e) __________ and __________ pairs of ribs are called floating ribs.
(f) The human cranium is made of __________ bones.
An alloy contains only zinc and copper and they are in the ratio of
7:9. If the weight of the alloy is 8kg, then find the weight of copper in
the alloy.
Attachment bonds formed in childhood years have long-term effects. Explain taking
examples from daily life.
A tea merchant blends two varieties of tea costing her Rs 234 and
Rs 130 per kg in the ratio of their costs. If the weight of the mixture
is 84kg, then find the weight of each variety of tea.
Name the type of joint between the following:-
(a) atlas/axis
(b) carpal/metacarpal of thumb
(c) between phalanges
(d) femur/acetabulum
(e) between cranial bones
(f) between pubic bones in the pelvic girdle
A train takes 2 hours to travel from Ajmer to Jaipur, which are 130km apart. How much time will it take to travel from Delhi to Bhopal which are 780km apart if the train is travelling at the uniform speed?
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