In every competitive exam what makes you different from others is how fast you calculate Mathematics Sums....
!!Fast Calculation is Perfect Math!!
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Finding cube of a number above 20 in the usual way is difficult and time consuming.
With this math trick you can easily calculate cube of a number within seconds.
Here is that trick
Step 1: Assume the ten's place number of the given number as a and the unit's place number as b.
Step 2: Now, we all know that (a+b)3=a3 + 3a2b + 3ab2 + b3
We shall manipulate the same formula to calculate the cube of a number.
(i)Find b3 to get the last digit
If you get two digit number then, add ten's place digit to 3ab2
In every competitive exam what makes you different from others is how fast you calculate Mathematics Sums ...
Here in our video we try to provide some basic math rules for All
Here in our video we try to provide some basic math rules for All
!!Fast Calculation is Perfect Math!!
Dear Readers
We are uploading here Short tricks / short cuts / and Basis rules for mathematics for SSC IBPS SBI CTET HTET DSSSB KVS UPSC Railway FCI or other competitive Exams. I believe these tricks will be extremely useful. We have developed our methods and students have found them extremely useful over the years.
सवाल अब कीजिये चुट्कियों में
1. यदि किसी गोले और वृत्तिय बेलन का पृष्ठीय क्षेत्रफल है क्रमश: S1 और S2 है तो S1 है तो, S1 बराबर है : (a) 2/3 S^2
प्रिय पाठकों
समय और कार्य सबसे सरल टॉपिक होता है और इस टॉपिक से कम से कम 3-4 प्रश्न SSC CGL, SSC CHSL और FCI में पूछे जाते हैं l वास्तव में समय और कार्य टॉपिक है क्या? साधारण शब्दों में, कोई व्यक्ति किसी दिए हुए कार्य को कितने समय में करता है l
1. A cricket player makes 200 runs in the 15th over. In doing so, his average at the end of the 14th over increases by 10. What was his average at the end of 15th over?
The list of practice Aptitude
Questions with Solutions for SSC / FCI Exams were given here, candidates those
who are preparing for the examination can use this practice questions.
1).The average (arithmetic mean) of 330,
360 and 390 is
a) 327 +357 +387
b) 350
c) 329 +359+389
d) 3177
Explanation
The list of practice Aptitude Questions with Solutions for SSC /
FCI Exams were given here, candidates those who are preparing for the
examination can use this practice questions.
1).In a partnership business,B’s capital was half of A’s. If after
8 months, B withdrew half of his capital and after 2 months more A withdrew 1/4
th of his capital, then the profit ratio of A and B will be
a) 5:2
b) 10:23
c) 2:5
d) 23:10
Explanation
The list of practice Aptitude Questions with Solutions for SSC /
FCI Exams were given here, candidates those who are preparing for the
examination can use this practice questions
1).A man rows a km down the stream in 15 minutes and up the stream
in 20 minutes. The velocity of the stream is
a) 3
km/hour
b) 1.25km/hour
c) 1
km/hour
d) 0.75
km/hour
Explanation
The
list of practice Aptitude Questions with Solutions for SSC / FCI Exams were
given here, candidates those who are preparing for the examination can use this
practice questions
1).A
publisher printed 2000copies of a book at a total cost of Rs.6000.He
distributed 100 copies to institutions as free samples and sold the remaining
at the rate of Rs.4 per copy. His gain or loss percent is
a) 26 1/3% Gain
b) 26 1/3%Loss
c) 26 2/3%Gain
d) 26 2/3%Loss
Explanation
1.10%, 20% और 50% की लगातार छूट निम्न में किस छूट के बराबर होगी?
(1) 36%
(2) 64%
(3) 80%
(4) 56%
(5) इनमें से कोई नहीं
2.एक खुदरा विक्रेता ने एक वस्तु पर खरीदारों के लिए निम्न छूट की पेशकश करता है|
I. 10% की लगातार दो छूट
II. 8% की एक छूट के बाद 12% की एक और छूट
III. लगातार 15% और 5 % की छूट
IV. 20% की एक छूट
किस योजना के अंतर्गत विक्रय मूल्य न्यून होगा?
(1) I
(2) II
(3) III
(4) IV
IMPORTANT FACTS
Cost Price:
The price, at which an article is purchased, is called its cost price, abbreviated as C.P.
Selling Price:
The price, at which an article is sold, is called its selling prices, abbreviated as S.P.
Profit or Gain:
If S.P. is greater than C.P., the seller is said to have a profit or gain.
Loss:
If S.P. is less than C.P., the seller is said to have incurred a loss.
IMPORTANT FORMULAE
- Gain = (S.P.) - (C.P.)
- Loss = (C.P.) - (S.P.)
- Loss or gain is always reckoned on C.P.
- Gain Percentage: (Gain %)
Gain % = Gain x 100 C.P.
Banking Pathway :क्वांट क्विज (डी आई)
निर्देश (1–7): निम्नलिखित सूचना को ध्यानपूर्वक पढ़िए और प्रश्नों का उत्तर दीजिए|
निम्न पाई-चार्ट विभिन्न शहरों से 2015 में CBSE की X और XII परीक्षा में उत्तीर्ण हुए छात्रों की प्रतिशत संख्या को दर्शाता है|
निम्न पाई-चार्ट विभिन्न शहरों से 2015 में CBSE की X और XII परीक्षा में उत्तीर्ण हुए छात्रों की प्रतिशत संख्या को दर्शाता है|
1. एक बैग में छः लाल मार्बल और छः नीली मार्बल हैं| यदि दो मार्बल को बैग से अज्ञात रूप से निकाला जाता है तो दोनों के लाल होने की प्रायिकता (प्रोबबिलिटी) क्या है?
A) 1/2
B) 11/12
C) 5/12
D) 5/22
E)1/3
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