A) Rs. 40,000 | B) Rs. 45,000 |

C) Rs. 42,000 | D) Rs. 46,000 |

Explanation:

Let his present earnings be Rs. p

ATQ,

(125/100) x (96/100) x (125/100) x (96/100) x (125/100) x p = 72000

p = Rs. 40,000.

A) Rs. 6350 | B) Rs. 5220 |

C) Rs. 5890 | D) Rs. 6458 |

Explanation:

Remaining % of amount with Rohan

= 100 - (24 + 34 + 17 + 19)

= 100 - 94

= 6%

=> 6% = 540

=> 100% = ?

540 x 100/6 = Rs. 9000

Now, Money spent on insurance and food is

= 34 + 24 = 58% of 9000

= 58 x 9000/100

= 58 x 90

= **Rs. 5220**

A) 54 | B) 45 |

C) 60 | D) 64 |

Explanation:

Let 36 is p% of 80

=> p x 80/100 = 36

=> p = 36 x 10/8 = 45.

A) 46 | B) 44 |

C) 42 | D) 40 |

Explanation:

Let the number of students = 100

Number of students who failed in one or more subjects = 14 + 22 + 18 = 54%

The percentage of students who passed in both the subjects **= 100 - 54 = 46%.**

A) Rs. 63548 | B) Rs. 66512 |

C) Rs. 65000 | D) Rs. 67857 |

Explanation:

The discount offered by showroom = 18%

Raghu purchased at Rs. 54540

Then,

The marked price is given by

54540 x 100/82

=~ **Rs. 66,512**

A) 180 | B) 200 |

C) 220 | D) 240 |

Explanation:

5% of 4000

= 5 x 4000/100

= 5 x 40

= 200

Hence, **5% of 4000 = 200.**

A) 8 cms | B) 7 cms |

C) 9 cms | D) 11 cms |

Explanation:

Let the total length of the pencil = **x cms**

From the given data,

'x/8' is black

Remaining part **= x - x/8 = 7x/8**

1/2 of 7x/8 is white

=> 7x/16 is white (Remaining part is 7x/16)

And given that the remaining part is blue and is 3 1/2 cm = 7/2 = 3.5 cm

That remaining part = 7x/16

Therefore,

**7x/16 = 7/2**

x = 16/2 = 8

Hence, **the total length of the pencil = x = 8 cm.**

A) 28% | B) 26% |

C) 24% | D) 22% |

Explanation:

Let the cost price of each mango be Rs. 1

So 50 mangoes costs = Rs. 50

20% Profit on Selling Price of 10 mangoes = Rs. 12

30% Profit on Selling Price of 20 mangoes = Rs. 26

Total = Rs. 38

Loss = 50 - 38 = 12

Loss% = **(12/50) x 100 = 24%.**

A) 60 | B) 85 |

C) 300 | D) 21 |

Explanation:

The given sentence **21 is 35 of what number** means that

21 is 35 % of what number

Let that number be P

=> 35P/100 = 21

35P = 2100

P = 2100/35 = 300/5 = 60

Hence, **21 is 35 of 60.**