131. In an election, 5% of the total votes are declared as invalid and a candidate got 60% of the valid votes. If the total votes are 5400, find the number of valid votes got by that candidate?

एक चुनाव में कुल मतों का 5% अवैध घोषित किया जाता है और एक उम्मीदवार को वैध मत का 60% मिलता है। यदि कुल मत 5400 हैं, तो उस उम्मीदवार को मिले वैध मतों की संख्या ज्ञात करें?

Option “C” is correct.

Total votes = 5400

Valid votes = 5400 * 95/100 = 5130

Candidate votes = 5130 * 60/100 = 3078

132. Soni spends 20% of his salary to house rent, 30% of the salary to education fees and 80% of the remaining salary to shopping. If she now left with her is Rs.800, then what is Soni’s salary?

सोनी अपने वेतन का 20% घर के किराए पर, 30% शिक्षा शुल्क और शेष वेतन का 80% खरीदारी के लिए खर्च करती हैं। यदि अब उसके पास 800 रूपये बचता है, तो सोनी का वेतन क्या है?

Option “C” is correct.

Soni’s salary=x

House rent=x * 20/100=x/5

Education fee=30/100 * x=3x/10

Remaining=x – x/5 – 3x/10

=x/2

Shopping=x/2 * 80/100

Remaining=x/2 * 20/100

x/2 * 20/100=800

x=Rs.8000

133. Rahul had some money with him and he donates the money to three different NGO’s A, B and C in the ratio of 17:54:61 respectively. Using the money which received from Rahul, A spends 30% of the money for food, 40% of the money for education and remaining amount is Rs.1020. What is the total money Rahul had?

राहुल के पास कुछ रुपये हैं। इन्हें राहुल ने तीन अलग-अलग एनजीओ A, B और C को क्रमश: 17:54:61 के अनुपात में दान कर दिये। राहुल से प्राप्त धन का NGO, A ने 30% भोजन तथा 40% शिक्षा पर खर्च किया। इसके बाद 1020 रुपये बचे। राहुल के पास कुल कितने रुपये थे?

Option “D” is correct.

Total amount received by NGO A =100/30 * 1020=Rs. 3400

Total amount with Rahul=132/17 * 3400=Rs.26400

134. The price of the wheat is increased by 20%, so Shon has decreased its consumption by 20%. What is the percentage of the expenditure of wheat decreased by Shon?

गेहूं की कीमत में 20% की वृद्धि होने पर, शॉन ने इसकी खपत में 20% की कमी की। शॉन द्वारा घटाए गए गेहूं के व्यय का प्रतिशत क्या है?

Option “D” is correct.

Let the initial price of the wheat=Rs.x

Consumption of the wheat=y kg

Expenditure=x * y=xy

After increasing the price=x * 120/100=1.2x

After decreasing consumption of the wheat=y * 80/100=0.8y

Required percentage= [(xy – 1.2x * 0.8y)/xy]* 100

=(0.04/1) * 100

=4%

135. Rahul scored 225 marks in an exam and Ragu got 48% of the marks in the same exam which is 9 marks less than Rahul. If the minimum pass marks in the exam is 40%, then how much more marks did Rahul score than the minimum passing marks?

राहुल ने परीक्षा में 225 अंक प्राप्त किए और रघु ने उसी परीक्षा में 48% अंक प्राप्त किए जो कि राहुल से 9 अंक कम है यदि परीक्षा में न्यूनतम उत्तीर्ण अंक 40% है, तो राहुल ने न्यूनतम उत्तीर्ण अंकों की तुलना में कितना अधिक अंक प्राप्त किए?

Option “A” is correct.

Let total marks be x.

Then, 225 = (48/100) * x + 9

x=450

Minimum passing mark= (40/100) * 450=180

Required Difference=225 – 180=45

136. A’s salary is 120% of B’s salary and B spends 60% of his salary for house rent and education fees. If B’s savings is Rs.1800 and A’s expenditure is 40% more than that of B, then what is the saving amount of A?

A का वेतन B के वेतन का 120% है और B अपने वेतन का 60% घर के किराए और शिक्षा शुल्क में खर्च करता है। यदि B की बचत 1800 रुपये है और A का व्यय B की तुलना में 40% अधिक है, तो A की बचत राशि क्या है?

Option “B” is correct.

B’s savings = 1800

B’s expenditure = 60/40 * 1800 = 2700

B’s income = 2700 + 1800 = 4500

A’s income = 120/100 * 4500 = 5400

A’s expenditure = 2700 * 140/100 = 3780

A’s savings = 5400 – 3780 = 1620

137. The sum of (3/5)th a number and 42 % of the same number is 255. What is the 54 % of the number?

किसी संख्या का (3/5) और उसी संख्या का 42% का योग 255 है। संख्या का 54% कितना है?

Option “D” is correct.

 (3/5)x + (42/100)x = 255

(60x + 42x)/ 100 = 255

(102x/100) = 255

x= 255*(100/102) = 250

54 % of the number = 250*(54/100) = 135

138. A saves 40% of his income and B saves 20% more than A. If the income of A is 80% of the income of B and A’s expenditure is Rs.18000, then what is the expenditure of B?

A, अपनी आय के 40% की बचत करता है और B, A की तुलना में 20% अधिक बचत करता है। यदि A की आय, B की आय का 80% है और A का व्यय 18000 रूपये है, तो B का व्यय क्या है ?

Option “B” is correct.

A’s income=80/100 * B=4B/5

A’s income=100/60 * 18000=30000

A’s saving=30000 * 40/100=12000

B’s savings=12000 * 120/100=14400

B’s income=5/4 * 30000=37500

Expenditure of B=37500 – 14400=23100

139. 18% of the total number of TOI newspaper readers is equals to 8% of the total number of The Hindu newspaper readers. If 7560 people read The Hindu newspaper, then how many of people read TOI newspaper?

TOI अखबार के पाठकों की कुल संख्या का 18%, द हिंदू अखबार के पाठकों की कुल संख्या के 8% के बराबर है। अगर 7560 लोग द हिंदू अखबार पढ़ते हैं, तो कितने लोग TOI अखबार पढ़ते हैं?

Option “B” is correct.

18% of the total number of TOI readers = 8% of the total number of The Hindu readers

TOI readers/The Hindu readers = 8/18 = 4/9

Let TOI readers = 4a then The Hindu readers = 9a

According to the question, 9a = 7560

a = 840

The number of TOI readers = 4a = 840*4 = 3360

140. The population of a city increases by 15% per year. If the present population is 12 lakhs, then what will be the population after three years?

एक शहर की जनसंख्या में प्रति वर्ष 15% की वृद्धि होती है। यदि वर्तमान जनसंख्या 12 लाख है, तो तीन वर्ष बाद जनसंख्या क्या होगी?

Option “B” is correct.

Population after 3 years

= > 1200000*(115/100)*(115/100)*(115/100)

= > 1825050

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