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Recently added practice questions

6861. P-waves is a term associated with__________?
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A. Oceans

B. Rivers

C. Earthquakes

D. Wind

6862. P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?
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A. Rs.40

B. Rs.100

C. Rs.70

D. Rs.90

6863. P is the investment made on an equipment, S is its salvage value and n is the life of the equipment in years. The depreciation for Rath year by the sum-of year?s digit method will be____________________?
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A. (m/n) (P S)

B. [2 (n m + 1)/n(n + 1)]. (P S)

C. (P S)/n

D. 1 (P/S)1/m

6864. p is 50% more than q. Find the ratio of p to q.
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A. 3:2

B. 1:05

C. 1:02

D. 2:01

6865. P can finish a work in 18 days. Q can finish the same work in 15 days. Q worked for 10 days and left the job. how many days does P alone need to finish the remaining work?
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A. 2

B. 6

C. 4

D. 8

6866. P and Q started a business with respective investments of Rs. 4 lakhs and Rs. 10 lakhs. As P runs the business, his salary is Rs. 5000 per month. If they earned a profit of Rs. 2 lakhs at the end of the year, then find the ratio of their earnings?
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A. 2:05

B. 3:05

C. 1 : 1

D. 5:02

E. None of these

6867. P and Q started a business investing Rs. 85,000 and Rs. 15,000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively?
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A. 17:23

B. 15:23

C. 3:05

D. None of these

E. 3:04

6868. P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?
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A. 10

B. 19

C. 8

D. 18
6869. P and Q can complete a work in 20 days and 12 days respectively. P alone started the work and Q joined him after 4 days till the completion of the work. How long did the work last?
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A. 5 days

B. 15 days

C. 12 days

D. 10 days
6870. Oyster mushroom is an example of predator fungi which attack on______________?
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A. Tape worms

B. Pin warms

C. Platehelminthes

D. Round worms
6871. Oxygen is the production of____________?
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A. Mitochonderia

B. Chloroplast

C. Peroxisomes

D. Both A & B

6872. Oxygen is produced by fractionation of air using _____________ process?
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A. Claudes

B. Lindes

C. Either A. or B.

D. None of these

6873. Oxygen dissociation curve shifts to the right by all of the following except_____________?
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A. Rise in temperature

B. Rise in carbon dioxide tension

C. Rise in pH

D. Rise in H+ ion

6874. Oxygen as an emergency drug is contraindicated in______________?
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A. Asthma

B. Hyperventilation

C. Anaphylaxis

D. COPD

6875. Oxyacetylene reducing flame is used while carrying out welding on__________________?
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A. High carbon steel

B. Mild steel

C. Grey cast iron

D. Alloy steel

6876. Oxidative rancidity is promoted by ____________________?
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A. Heat

B. Enzymes

C. All the above

D. Catalysis

6877. Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?
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A. Nickel

B. Iron

C. Alumina

D. Vanadium
6878. Overturning of vehicles on a curve can be avoided by using ________________?
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A. reverse curve

B. compound curve

C. vertical curve

D. transition curve
6879. Overmodulation (amplitude) occurs when signal amplitude is _____________ carrier amplitude?
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A. Equal to

B. Greater than

C. None of the above

D. Less than

6880. Overfire burning is the phenomenon of _____________________?
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A. fuel bed firing

B. supply of excess, air

C. burning CO and unburnts in upper zone of furnace by supplying more air

D. supply of excess coal

E. none of the above

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