Number series Mains Based

Time and Distance

In covering a distance of 30 km, Satvik takes 2 hours more than Ram. If Satvik doubles his speed, then he would take 1 hour less than Ram. Satvik's speed is: A) 5 kmph B) 6 kmph C) 6.25 kmph D) 7.5 kmph

Time and Distance

A passenger train running at a speed of 78 km per hour leaves the station 8 hours after a goods train leaves and overtakes it in 5 hours . the speed of the goods train is ?

a) 30 kmph

b) 35 kmph

c) 48 kmph

d) None

Questions asked by students:: vs Clarification

Reasoning: Coding / Decoding (New Pattern)

Directions (1-5): Study the following information to answer the given questions:

In a certain code,
‘mixed chamber incidence vacuum’ is written as       ’88$B     12@C      36#E     52%A’,
‘jammer corporate frozen weird’ is written as             ’24©B    40@B     92%A    12#E ’,
‘comedian magnitude webcam jumbled’  as               ‘40%C    12©D     92$B     52#E ’, and
‘maximum revealed union editor’ is written as            ‘72%D     52$C     20@B    84©A ’.

1.     What is the code for ‘cardamom’?
A) 16#D
B) 12%E
C) 12$D
D) 14$D
E) Cannot be determined

2.     What is the code for ‘pager style’?
A) 64@A 76#A
B) 64#A 76@A
C) 60@C 76#B
D) 64$A 76#A
E) Cannot be determined

3.     What is the code for ‘September December’?
A) 16@E 76@D
B) 72@E 16@D
C) 76@E 16@D
D) 76@E 16#D
E) Cannot be determined

4.     What is code for ‘fusion clown’?
A) 12©B 24©A
B) 24©B 12©A
C) 24©D 12@A
D) 24©C 12©A
E) Cannot be determined

5.     What is the code for ‘hundred folder’?
A) 32%D 24#B
B) 32©C 24@B
C) 32%D 24#B
D) 32%C 24@B
E) Cannot be determined

Profit and Loss

1.     If Satvik sells an article at 4/5th of its selling price and secures a profit of 20%, what will be the profit or loss percentage if he sells it at the actual selling price?
A) 45%
B) 60%
C) 50%
D) 56%
E) None

2.     A product costs a company Rs 60 to manufacture, and it sold the product to a dealer for Rs 70, who in turn sold it to a shopkeeper for Rs 85, who sold to a customer for Rs 102. What is the percentage of profit for the company and who made the highest profit on selling the product?
A) 20 1/3%, Company
B) 16 2/3%, Dealer
C) 20 1/3% ,Dealer
D) 16 2/3%, Shopkeeper
E) None

3.     Manasa buys a certain number of toys at 12 per Rs 9 and the same number at 18 per Rs 9. If she sells them at 18 per Rs15 does she gain or lose and by what percentage?
A) 33 1/3 % loss
B) 12% gain
C) 33 1/3 % gain
D) 12% loss
E) None

4.     A shopkeeper sells Marker at the rate of Rs.35 each and earns a commission of 10%. He also sells Gel pen at the rate of Rs. 65 each and earns a commission of 20%. How much amount (in rupees) of commission will he earn in 2 weeks, if he sells 12 markers and 8 Gel pens a day?
A) 2100
B) 1850
C) 2044
D) 2680
E) None

5.     A discount of 20% is given on the marked price of an article. The shopkeeper charges sales tax of 10% on the discounted price. If the selling price be Rs 1848, what is the marked price (in rupees) of the article?
A) 2500
B) 3200
C) 3600
D) 2100
E) None

Compound Interest

Satvik borrows Rs. 45000 from a bank at 10% compound interest. He repays it in three annual installments that are in arithmetic progression. He ends up paying 54000 totally. How much did he pay in year 1?

A.Rs. 16,500

B.Rs. 19,500

C.Rs. 21,000

D.Rs. 18,000