SSC CGL (SSC Combined Graduate Level) Mathematics: Questions 378  383 of 425
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Question number: 378
» Geometry
Question
A cistern 5 m long and 6 m wide, contains water up to a depth of 2 m. the total area of the wet surface is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 379
Question
The length of a rectangle is decreased by 10 % and its breadth is increased by 5%. By what percent its area changed?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 380
» Fundamental Arithmetical Operations
Question
If () is 10 more than () and () is 4 less than (), then () is
Choices
Choice (4)  Response  

a. 


b.  1.5 

c. 


d. 


Question number: 381
Question
A man travels a distance of 30 km at 6 km/hr another distance of 30 km at 5 km/hr and a third distance of 30 km at 10 km/hr. his average speed for the whole journey (in km/hr) is
Choices
Choice (4)  Response  

a.  8 

b. 


c. 


d.  9 

Question number: 382
Question
When simplified, the product
gives
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 383
» Average
Question
The average marks of 60 students in a test is 80. Later it is found that three marks 76,74& 80 were wrongly entered as 75,76 & 86. The average marks after mistakes were rectified is
Choices
Choice (4)  Response  

a. 


b.  79.67 

c.  72.44 

d.  79.88 
